Home / 621,340.19-932,000.92-279,542.24

Finding the Fourth Proportional to 621,340.19, 932,000.92 and 279,542.24

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Solution

The fourth proportional to 621,340.19, 932,000.92 and 279,542.24 is: 419,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,340.19 : 932,000.92 = 279,542.24 : x
  2. Step 2: Convert to fraction form
    621,340.19/932,000.92 = 279,542.24/x
  3. Step 3: Cross multiply
    621,340.19x = 932,000.92 × 279,542.24
  4. Step 4: Simplify right side
    621,340.19x = 260,533,620,198.86
  5. Step 5: Solve for x
    x = 260,533,620,198.86/621,340.19
  6. Step 6: Final answer
    x = 419,309.14

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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.