Home / 868,195.76-1,198,115.16-481,023.40

Finding the Fourth Proportional to 868,195.76, 1,198,115.16 and 481,023.40

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Solution

The fourth proportional to 868,195.76, 1,198,115.16 and 481,023.40 is: 663,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,195.76 : 1,198,115.16 = 481,023.40 : x
  2. Step 2: Convert to fraction form
    868,195.76/1,198,115.16 = 481,023.40/x
  3. Step 3: Cross multiply
    868,195.76x = 1,198,115.16 × 481,023.40
  4. Step 4: Simplify right side
    868,195.76x = 576,321,427,854.74
  5. Step 5: Solve for x
    x = 576,321,427,854.74/868,195.76
  6. Step 6: Final answer
    x = 663,815.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.