| x | × | 10 | + | 60 | × | 5 2 | + | 48 | + | 5 2 | × | 5 4 | = | 600 | × | 5 | + | 48 | × | 10 | × | 5 |
| 方程左边 = | x | × | 10 | + | 150 | + | 48 | + | 25 8 |
| = | 10 | x | + | 1609 8 |
| 10 | x | + | 1609 8 | = | 600 | × | 5 | + | 48 | × | 10 | × | 5 |
| 方程右边 = | 3000 | + | 2400 |
| = | 5400 |
| 10 | x | + | 1609 8 | = | 5400 |
| 10 | x | = | 5400 | − | 1609 8 |
| 10 | x | = | 41591 8 |
| x | = | 41591 8 | ÷ | 10 |
| = | 41591 8 | × | 1 10 |
| x | = | 41591 80 |
| x | = | 519.8875 |