Home / 829,471.86-1,244,207.25-474,236.78

Finding the Fourth Proportional to 829,471.86, 1,244,207.25 and 474,236.78

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Solution

The fourth proportional to 829,471.86, 1,244,207.25 and 474,236.78 is: 711,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,471.86 : 1,244,207.25 = 474,236.78 : x
  2. Step 2: Convert to fraction form
    829,471.86/1,244,207.25 = 474,236.78/x
  3. Step 3: Cross multiply
    829,471.86x = 1,244,207.25 × 474,236.78
  4. Step 4: Simplify right side
    829,471.86x = 590,048,833,671.62
  5. Step 5: Solve for x
    x = 590,048,833,671.62/829,471.86
  6. Step 6: Final answer
    x = 711,354.85

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Double scale
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Similar ratio
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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.