| ( | 469067 50 | + | X | ) | × | 31 1000 | = | 4 | X |
| 方程左边 = | 469067 50 | × | 31 1000 | + | X | × | 31 1000 |
| = | 14541077 50000 | + | X | × | 31 1000 |
14541077 50000 | + | 31 1000 | X | = | 4 | X |
31 1000 | X | − | 4 | X | = | - | 14541077 50000 |
| - | 3969 1000 | X | = | - | 14541077 50000 |
14541077 50000 | = | 3969 1000 | X |
3969 1000 | X | = | 14541077 50000 |
| X | = | 14541077 50000 | ÷ | 3969 1000 |
| = | 14541077 50000 | × | 1000 3969 |
| = | 14541077 50 | × | 1 3969 |
| X | = | 14541077 198450 |
| X | = | 73.273253 |