Home / 681,414.20-933,540.78-655,875.28

Finding the Fourth Proportional to 681,414.20, 933,540.78 and 655,875.28

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Solution

The fourth proportional to 681,414.20, 933,540.78 and 655,875.28 is: 898,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,414.20 : 933,540.78 = 655,875.28 : x
  2. Step 2: Convert to fraction form
    681,414.20/933,540.78 = 655,875.28/x
  3. Step 3: Cross multiply
    681,414.20x = 933,540.78 × 655,875.28
  4. Step 4: Simplify right side
    681,414.20x = 612,286,320,473.92
  5. Step 5: Solve for x
    x = 612,286,320,473.92/681,414.20
  6. Step 6: Final answer
    x = 898,552.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.