Home / 868,175.75-1,198,087.54-481,003.38

Finding the Fourth Proportional to 868,175.75, 1,198,087.54 and 481,003.38

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Solution

The fourth proportional to 868,175.75, 1,198,087.54 and 481,003.38 is: 663,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,175.75 : 1,198,087.54 = 481,003.38 : x
  2. Step 2: Convert to fraction form
    868,175.75/1,198,087.54 = 481,003.38/x
  3. Step 3: Cross multiply
    868,175.75x = 1,198,087.54 × 481,003.38
  4. Step 4: Simplify right side
    868,175.75x = 576,284,155,073.38
  5. Step 5: Solve for x
    x = 576,284,155,073.38/868,175.75
  6. Step 6: Final answer
    x = 663,787.43

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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.