Home / 739,371.68-1,109,057.64-178,406.18

Finding the Fourth Proportional to 739,371.68, 1,109,057.64 and 178,406.18

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Solution

The fourth proportional to 739,371.68, 1,109,057.64 and 178,406.18 is: 267,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,371.68 : 1,109,057.64 = 178,406.18 : x
  2. Step 2: Convert to fraction form
    739,371.68/1,109,057.64 = 178,406.18/x
  3. Step 3: Cross multiply
    739,371.68x = 1,109,057.64 × 178,406.18
  4. Step 4: Simplify right side
    739,371.68x = 197,862,736,952.22
  5. Step 5: Solve for x
    x = 197,862,736,952.22/739,371.68
  6. Step 6: Final answer
    x = 267,609.30

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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.