Home / 739,372.68-1,109,059.14-178,407.18

Finding the Fourth Proportional to 739,372.68, 1,109,059.14 and 178,407.18

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Solution

The fourth proportional to 739,372.68, 1,109,059.14 and 178,407.18 is: 267,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,372.68 : 1,109,059.14 = 178,407.18 : x
  2. Step 2: Convert to fraction form
    739,372.68/1,109,059.14 = 178,407.18/x
  3. Step 3: Cross multiply
    739,372.68x = 1,109,059.14 × 178,407.18
  4. Step 4: Simplify right side
    739,372.68x = 197,864,113,620.63
  5. Step 5: Solve for x
    x = 197,864,113,620.63/739,372.68
  6. Step 6: Final answer
    x = 267,610.80

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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.