Home / 482,824.80-724,233.60-145,864.80

Finding the Fourth Proportional to 482,824.80, 724,233.60 and 145,864.80

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Solution

The fourth proportional to 482,824.80, 724,233.60 and 145,864.80 is: 218,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,824.80 : 724,233.60 = 145,864.80 : x
  2. Step 2: Convert to fraction form
    482,824.80/724,233.60 = 145,864.80/x
  3. Step 3: Cross multiply
    482,824.80x = 724,233.60 × 145,864.80
  4. Step 4: Simplify right side
    482,824.80x = 105,640,189,217.28
  5. Step 5: Solve for x
    x = 105,640,189,217.28/482,824.80
  6. Step 6: Final answer
    x = 218,796.11

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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.