Home / 588,128.80-882,193.20-422,240.80

Finding the Fourth Proportional to 588,128.80, 882,193.20 and 422,240.80

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Solution

The fourth proportional to 588,128.80, 882,193.20 and 422,240.80 is: 633,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,128.80 : 882,193.20 = 422,240.80 : x
  2. Step 2: Convert to fraction form
    588,128.80/882,193.20 = 422,240.80/x
  3. Step 3: Cross multiply
    588,128.80x = 882,193.20 × 422,240.80
  4. Step 4: Simplify right side
    588,128.80x = 372,497,962,522.56
  5. Step 5: Solve for x
    x = 372,497,962,522.56/588,128.80
  6. Step 6: Final answer
    x = 633,361.20

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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.