| ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 3 2 | × | 87 4 | × | 5 2 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 2 | × | 402 5 | + | x | = | 6000 |
| 方程左边 = | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 1305 16 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 1305 16 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x | = | 6000 |
| 方程左边 = | x | ÷ | 87 4 | ÷ | 8 | × | 1305 16 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| = | x | × | 15 32 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| = | 47 32 | x | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 |
| = | 47 32 | x | + | x | ÷ | 87 4 | ÷ | 8 | × | 804 5 |
| = | 47 32 | x | + | x | × | 134 145 |
| = | 11103 4640 | x |
11103 4640 | x | = | 6000 |
| x | = | 6000 | ÷ | 11103 4640 |
| = | 6000 | × | 4640 11103 |
| = | 2000 | × | 4640 3701 |
| x | = | 9280000 3701 |
| x | = | 2507.430424 |