Home / 766,987.46-1,150,481.20-234,508.50

Finding the Fourth Proportional to 766,987.46, 1,150,481.20 and 234,508.50

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Solution

The fourth proportional to 766,987.46, 1,150,481.20 and 234,508.50 is: 351,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,987.46 : 1,150,481.20 = 234,508.50 : x
  2. Step 2: Convert to fraction form
    766,987.46/1,150,481.20 = 234,508.50/x
  3. Step 3: Cross multiply
    766,987.46x = 1,150,481.20 × 234,508.50
  4. Step 4: Simplify right side
    766,987.46x = 269,797,620,490.20
  5. Step 5: Solve for x
    x = 269,797,620,490.20/766,987.46
  6. Step 6: Final answer
    x = 351,762.75

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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.