| - | 4082750 | + | 3000000 | − | 4500000 | + | X | − | X | × | 1 400 | = | 300000 |
| Left side of the equation = | - | 5582750 | + | 399 400 | X |
| - | 5582750 | + | 399 400 | X | = | 300000 |
399 400 | X | = | 300000 | + | 5582750 |
399 400 | X | = | 5882750 |
| X | = | 5882750 | ÷ | 399 400 |
| = | 5882750 | × | 400 399 |
| X | = | 2353100000 399 |
| X | = | 5897493.734336 |