Home / 663,983.92-996,227.52-397,935.36

Finding the Fourth Proportional to 663,983.92, 996,227.52 and 397,935.36

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Solution

The fourth proportional to 663,983.92, 996,227.52 and 397,935.36 is: 597,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,983.92 : 996,227.52 = 397,935.36 : x
  2. Step 2: Convert to fraction form
    663,983.92/996,227.52 = 397,935.36/x
  3. Step 3: Cross multiply
    663,983.92x = 996,227.52 × 397,935.36
  4. Step 4: Simplify right side
    663,983.92x = 396,434,156,813.11
  5. Step 5: Solve for x
    x = 396,434,156,813.11/663,983.92
  6. Step 6: Final answer
    x = 597,053.85

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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.