Home / 509,189.92-702,589.44-294,251.20

Finding the Fourth Proportional to 509,189.92, 702,589.44 and 294,251.20

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Solution

The fourth proportional to 509,189.92, 702,589.44 and 294,251.20 is: 406,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,189.92 : 702,589.44 = 294,251.20 : x
  2. Step 2: Convert to fraction form
    509,189.92/702,589.44 = 294,251.20/x
  3. Step 3: Cross multiply
    509,189.92x = 702,589.44 × 294,251.20
  4. Step 4: Simplify right side
    509,189.92x = 206,737,785,827.33
  5. Step 5: Solve for x
    x = 206,737,785,827.33/509,189.92
  6. Step 6: Final answer
    x = 406,013.12

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1.5x scale

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.