Home / 738,761.76-1,108,142.88-177,796.26

Finding the Fourth Proportional to 738,761.76, 1,108,142.88 and 177,796.26

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Solution

The fourth proportional to 738,761.76, 1,108,142.88 and 177,796.26 is: 266,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,761.76 : 1,108,142.88 = 177,796.26 : x
  2. Step 2: Convert to fraction form
    738,761.76/1,108,142.88 = 177,796.26/x
  3. Step 3: Cross multiply
    738,761.76x = 1,108,142.88 × 177,796.26
  4. Step 4: Simplify right side
    738,761.76x = 197,023,659,609.63
  5. Step 5: Solve for x
    x = 197,023,659,609.63/738,761.76
  6. Step 6: Final answer
    x = 266,694.45

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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.