Home / 566,082.34-781,192.47-311,432.92

Finding the Fourth Proportional to 566,082.34, 781,192.47 and 311,432.92

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Solution

The fourth proportional to 566,082.34, 781,192.47 and 311,432.92 is: 429,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,082.34 : 781,192.47 = 311,432.92 : x
  2. Step 2: Convert to fraction form
    566,082.34/781,192.47 = 311,432.92/x
  3. Step 3: Cross multiply
    566,082.34x = 781,192.47 × 311,432.92
  4. Step 4: Simplify right side
    566,082.34x = 243,289,050,456.95
  5. Step 5: Solve for x
    x = 243,289,050,456.95/566,082.34
  6. Step 6: Final answer
    x = 429,776.79

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Double scale
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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.