Home / 449,974.20-674,961.30-117,550.20

Finding the Fourth Proportional to 449,974.20, 674,961.30 and 117,550.20

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Solution

The fourth proportional to 449,974.20, 674,961.30 and 117,550.20 is: 176,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,974.20 : 674,961.30 = 117,550.20 : x
  2. Step 2: Convert to fraction form
    449,974.20/674,961.30 = 117,550.20/x
  3. Step 3: Cross multiply
    449,974.20x = 674,961.30 × 117,550.20
  4. Step 4: Simplify right side
    449,974.20x = 79,341,835,807.26
  5. Step 5: Solve for x
    x = 79,341,835,807.26/449,974.20
  6. Step 6: Final answer
    x = 176,325.30

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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.