Home / 439,899.20-659,848.80-327,924.80

Finding the Fourth Proportional to 439,899.20, 659,848.80 and 327,924.80

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Solution

The fourth proportional to 439,899.20, 659,848.80 and 327,924.80 is: 491,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,899.20 : 659,848.80 = 327,924.80 : x
  2. Step 2: Convert to fraction form
    439,899.20/659,848.80 = 327,924.80/x
  3. Step 3: Cross multiply
    439,899.20x = 659,848.80 × 327,924.80
  4. Step 4: Simplify right side
    439,899.20x = 216,380,785,770.24
  5. Step 5: Solve for x
    x = 216,380,785,770.24/439,899.20
  6. Step 6: Final answer
    x = 491,887.20

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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.