Home / 572,524.20-858,786.30-542,999.70

Finding the Fourth Proportional to 572,524.20, 858,786.30 and 542,999.70

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Solution

The fourth proportional to 572,524.20, 858,786.30 and 542,999.70 is: 814,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,524.20 : 858,786.30 = 542,999.70 : x
  2. Step 2: Convert to fraction form
    572,524.20/858,786.30 = 542,999.70/x
  3. Step 3: Cross multiply
    572,524.20x = 858,786.30 × 542,999.70
  4. Step 4: Simplify right side
    572,524.20x = 466,320,703,264.11
  5. Step 5: Solve for x
    x = 466,320,703,264.11/572,524.20
  6. Step 6: Final answer
    x = 814,499.55

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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.