Home / 482,849.28-724,279.32-145,892.70

Finding the Fourth Proportional to 482,849.28, 724,279.32 and 145,892.70

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Solution

The fourth proportional to 482,849.28, 724,279.32 and 145,892.70 is: 218,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,849.28 : 724,279.32 = 145,892.70 : x
  2. Step 2: Convert to fraction form
    482,849.28/724,279.32 = 145,892.70/x
  3. Step 3: Cross multiply
    482,849.28x = 724,279.32 × 145,892.70
  4. Step 4: Simplify right side
    482,849.28x = 105,667,065,548.96
  5. Step 5: Solve for x
    x = 105,667,065,548.96/482,849.28
  6. Step 6: Final answer
    x = 218,840.68

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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.