Home / 1,018,606.68-1,527,910.30-378,826.82

Finding the Fourth Proportional to 1,018,606.68, 1,527,910.30 and 378,826.82

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Solution

The fourth proportional to 1,018,606.68, 1,527,910.30 and 378,826.82 is: 568,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,606.68 : 1,527,910.30 = 378,826.82 : x
  2. Step 2: Convert to fraction form
    1,018,606.68/1,527,910.30 = 378,826.82/x
  3. Step 3: Cross multiply
    1,018,606.68x = 1,527,910.30 × 378,826.82
  4. Step 4: Simplify right side
    1,018,606.68x = 578,813,398,300.11
  5. Step 5: Solve for x
    x = 578,813,398,300.11/1,018,606.68
  6. Step 6: Final answer
    x = 568,240.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.