Home / 755,115.40-1,132,673.10-741,993.40

Finding the Fourth Proportional to 755,115.40, 1,132,673.10 and 741,993.40

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Solution

The fourth proportional to 755,115.40, 1,132,673.10 and 741,993.40 is: 1,112,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,115.40 : 1,132,673.10 = 741,993.40 : x
  2. Step 2: Convert to fraction form
    755,115.40/1,132,673.10 = 741,993.40/x
  3. Step 3: Cross multiply
    755,115.40x = 1,132,673.10 × 741,993.40
  4. Step 4: Simplify right side
    755,115.40x = 840,435,964,557.54
  5. Step 5: Solve for x
    x = 840,435,964,557.54/755,115.40
  6. Step 6: Final answer
    x = 1,112,990.10

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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.