Home / 621,324.78-932,168.61-247,402.86

Finding the Fourth Proportional to 621,324.78, 932,168.61 and 247,402.86

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Solution

The fourth proportional to 621,324.78, 932,168.61 and 247,402.86 is: 371,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,324.78 : 932,168.61 = 247,402.86 : x
  2. Step 2: Convert to fraction form
    621,324.78/932,168.61 = 247,402.86/x
  3. Step 3: Cross multiply
    621,324.78x = 932,168.61 × 247,402.86
  4. Step 4: Simplify right side
    621,324.78x = 230,621,180,116.23
  5. Step 5: Solve for x
    x = 230,621,180,116.23/621,324.78
  6. Step 6: Final answer
    x = 371,176.54

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1.5x scale

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.