Home / 476,057.30-656,959.02-272,112.58

Finding the Fourth Proportional to 476,057.30, 656,959.02 and 272,112.58

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Solution

The fourth proportional to 476,057.30, 656,959.02 and 272,112.58 is: 375,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,057.30 : 656,959.02 = 272,112.58 : x
  2. Step 2: Convert to fraction form
    476,057.30/656,959.02 = 272,112.58/x
  3. Step 3: Cross multiply
    476,057.30x = 656,959.02 × 272,112.58
  4. Step 4: Simplify right side
    476,057.30x = 178,766,813,886.47
  5. Step 5: Solve for x
    x = 178,766,813,886.47/476,057.30
  6. Step 6: Final answer
    x = 375,515.33

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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.