Home / 623,391.48-935,087.22-499,519.80

Finding the Fourth Proportional to 623,391.48, 935,087.22 and 499,519.80

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Solution

The fourth proportional to 623,391.48, 935,087.22 and 499,519.80 is: 749,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,391.48 : 935,087.22 = 499,519.80 : x
  2. Step 2: Convert to fraction form
    623,391.48/935,087.22 = 499,519.80/x
  3. Step 3: Cross multiply
    623,391.48x = 935,087.22 × 499,519.80
  4. Step 4: Simplify right side
    623,391.48x = 467,094,581,116.96
  5. Step 5: Solve for x
    x = 467,094,581,116.96/623,391.48
  6. Step 6: Final answer
    x = 749,279.70

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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.