Home / 476,060.80-656,963.85-272,116.08

Finding the Fourth Proportional to 476,060.80, 656,963.85 and 272,116.08

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Solution

The fourth proportional to 476,060.80, 656,963.85 and 272,116.08 is: 375,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,060.80 : 656,963.85 = 272,116.08 : x
  2. Step 2: Convert to fraction form
    476,060.80/656,963.85 = 272,116.08/x
  3. Step 3: Cross multiply
    476,060.80x = 656,963.85 × 272,116.08
  4. Step 4: Simplify right side
    476,060.80x = 178,770,427,563.71
  5. Step 5: Solve for x
    x = 178,770,427,563.71/476,060.80
  6. Step 6: Final answer
    x = 375,520.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.