Home / 482,910.30-724,333.05-127,916.70

Finding the Fourth Proportional to 482,910.30, 724,333.05 and 127,916.70

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Solution

The fourth proportional to 482,910.30, 724,333.05 and 127,916.70 is: 191,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,910.30 : 724,333.05 = 127,916.70 : x
  2. Step 2: Convert to fraction form
    482,910.30/724,333.05 = 127,916.70/x
  3. Step 3: Cross multiply
    482,910.30x = 724,333.05 × 127,916.70
  4. Step 4: Simplify right side
    482,910.30x = 92,654,293,456.94
  5. Step 5: Solve for x
    x = 92,654,293,456.94/482,910.30
  6. Step 6: Final answer
    x = 191,866.47

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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.