Home / 981,594.17-1,473,178.67-508,414.85

Finding the Fourth Proportional to 981,594.17, 1,473,178.67 and 508,414.85

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Solution

The fourth proportional to 981,594.17, 1,473,178.67 and 508,414.85 is: 763,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,594.17 : 1,473,178.67 = 508,414.85 : x
  2. Step 2: Convert to fraction form
    981,594.17/1,473,178.67 = 508,414.85/x
  3. Step 3: Cross multiply
    981,594.17x = 1,473,178.67 × 508,414.85
  4. Step 4: Simplify right side
    981,594.17x = 748,985,912,531.25
  5. Step 5: Solve for x
    x = 748,985,912,531.25/981,594.17
  6. Step 6: Final answer
    x = 763,030.12

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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.