Home / 498,084.53-747,046.59-143,017.79

Finding the Fourth Proportional to 498,084.53, 747,046.59 and 143,017.79

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Solution

The fourth proportional to 498,084.53, 747,046.59 and 143,017.79 is: 214,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,084.53 : 747,046.59 = 143,017.79 : x
  2. Step 2: Convert to fraction form
    498,084.53/747,046.59 = 143,017.79/x
  3. Step 3: Cross multiply
    498,084.53x = 747,046.59 × 143,017.79
  4. Step 4: Simplify right side
    498,084.53x = 106,840,948,593.60
  5. Step 5: Solve for x
    x = 106,840,948,593.60/498,084.53
  6. Step 6: Final answer
    x = 214,503.65

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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.