Home / 399,452.32-598,853.60-272,773.12

Finding the Fourth Proportional to 399,452.32, 598,853.60 and 272,773.12

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Solution

The fourth proportional to 399,452.32, 598,853.60 and 272,773.12 is: 408,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,452.32 : 598,853.60 = 272,773.12 : x
  2. Step 2: Convert to fraction form
    399,452.32/598,853.60 = 272,773.12/x
  3. Step 3: Cross multiply
    399,452.32x = 598,853.60 × 272,773.12
  4. Step 4: Simplify right side
    399,452.32x = 163,351,164,895.23
  5. Step 5: Solve for x
    x = 163,351,164,895.23/399,452.32
  6. Step 6: Final answer
    x = 408,937.83

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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.