Home / 621,326.28-932,170.86-247,404.36

Finding the Fourth Proportional to 621,326.28, 932,170.86 and 247,404.36

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Solution

The fourth proportional to 621,326.28, 932,170.86 and 247,404.36 is: 371,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,326.28 : 932,170.86 = 247,404.36 : x
  2. Step 2: Convert to fraction form
    621,326.28/932,170.86 = 247,404.36/x
  3. Step 3: Cross multiply
    621,326.28x = 932,170.86 × 247,404.36
  4. Step 4: Simplify right side
    621,326.28x = 230,623,135,028.95
  5. Step 5: Solve for x
    x = 230,623,135,028.95/621,326.28
  6. Step 6: Final answer
    x = 371,178.79

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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.