Home / 621,499.28-932,295.89-172,214.96

Finding the Fourth Proportional to 621,499.28, 932,295.89 and 172,214.96

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Solution

The fourth proportional to 621,499.28, 932,295.89 and 172,214.96 is: 258,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,499.28 : 932,295.89 = 172,214.96 : x
  2. Step 2: Convert to fraction form
    621,499.28/932,295.89 = 172,214.96/x
  3. Step 3: Cross multiply
    621,499.28x = 932,295.89 × 172,214.96
  4. Step 4: Simplify right side
    621,499.28x = 160,555,295,173.57
  5. Step 5: Solve for x
    x = 160,555,295,173.57/621,499.28
  6. Step 6: Final answer
    x = 258,335.45

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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.