| ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 3 2 | × | 87 4 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 2 | × | 402 5 | + | x | = | 6000 |
| 方程左边 = | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 261 8 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 261 8 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x | = | 6000 |
| 方程左边 = | x | ÷ | 87 4 | ÷ | 8 | × | 261 8 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| = | x | × | 3 16 | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 | + | x |
| = | 19 16 | x | + | ( | x | ÷ | 87 4 | ÷ | 8 | ) | × | 804 5 |
| = | 19 16 | x | + | x | ÷ | 87 4 | ÷ | 8 | × | 804 5 |
| = | 19 16 | x | + | x | × | 134 145 |
| = | 4899 2320 | x |
4899 2320 | x | = | 6000 |
| x | = | 6000 | ÷ | 4899 2320 |
| = | 6000 | × | 2320 4899 |
| = | 2000 | × | 2320 1633 |
| x | = | 4640000 1633 |
| x | = | 2841.396203 |