Home / 885,229.20-1,327,843.80-220,381.20

Finding the Fourth Proportional to 885,229.20, 1,327,843.80 and 220,381.20

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Solution

The fourth proportional to 885,229.20, 1,327,843.80 and 220,381.20 is: 330,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,229.20 : 1,327,843.80 = 220,381.20 : x
  2. Step 2: Convert to fraction form
    885,229.20/1,327,843.80 = 220,381.20/x
  3. Step 3: Cross multiply
    885,229.20x = 1,327,843.80 × 220,381.20
  4. Step 4: Simplify right side
    885,229.20x = 292,631,810,056.56
  5. Step 5: Solve for x
    x = 292,631,810,056.56/885,229.20
  6. Step 6: Final answer
    x = 330,571.80

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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.