Home / 498,049.20-747,073.80-218,113.20

Finding the Fourth Proportional to 498,049.20, 747,073.80 and 218,113.20

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Solution

The fourth proportional to 498,049.20, 747,073.80 and 218,113.20 is: 327,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,049.20 : 747,073.80 = 218,113.20 : x
  2. Step 2: Convert to fraction form
    498,049.20/747,073.80 = 218,113.20/x
  3. Step 3: Cross multiply
    498,049.20x = 747,073.80 × 218,113.20
  4. Step 4: Simplify right side
    498,049.20x = 162,946,657,154.16
  5. Step 5: Solve for x
    x = 162,946,657,154.16/498,049.20
  6. Step 6: Final answer
    x = 327,169.80

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Similar ratio
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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.