Home / 482,834.76-724,279.80-127,839.56

Finding the Fourth Proportional to 482,834.76, 724,279.80 and 127,839.56

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Solution

The fourth proportional to 482,834.76, 724,279.80 and 127,839.56 is: 191,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,834.76 : 724,279.80 = 127,839.56 : x
  2. Step 2: Convert to fraction form
    482,834.76/724,279.80 = 127,839.56/x
  3. Step 3: Cross multiply
    482,834.76x = 724,279.80 × 127,839.56
  4. Step 4: Simplify right side
    482,834.76x = 92,591,610,948.89
  5. Step 5: Solve for x
    x = 92,591,610,948.89/482,834.76
  6. Step 6: Final answer
    x = 191,766.66

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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.