Home / 461,104.31-636,438.03-314,172.20

Finding the Fourth Proportional to 461,104.31, 636,438.03 and 314,172.20

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Solution

The fourth proportional to 461,104.31, 636,438.03 and 314,172.20 is: 433,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,104.31 : 636,438.03 = 314,172.20 : x
  2. Step 2: Convert to fraction form
    461,104.31/636,438.03 = 314,172.20/x
  3. Step 3: Cross multiply
    461,104.31x = 636,438.03 × 314,172.20
  4. Step 4: Simplify right side
    461,104.31x = 199,951,138,851.86
  5. Step 5: Solve for x
    x = 199,951,138,851.86/461,104.31
  6. Step 6: Final answer
    x = 433,635.37

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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.