Home / 981,332.20-1,472,046.90-508,940.20

Finding the Fourth Proportional to 981,332.20, 1,472,046.90 and 508,940.20

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Solution

The fourth proportional to 981,332.20, 1,472,046.90 and 508,940.20 is: 763,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,332.20 : 1,472,046.90 = 508,940.20 : x
  2. Step 2: Convert to fraction form
    981,332.20/1,472,046.90 = 508,940.20/x
  3. Step 3: Cross multiply
    981,332.20x = 1,472,046.90 × 508,940.20
  4. Step 4: Simplify right side
    981,332.20x = 749,183,843,695.38
  5. Step 5: Solve for x
    x = 749,183,843,695.38/981,332.20
  6. Step 6: Final answer
    x = 763,435.51

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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.