Home / 681,404.20-933,527.08-655,865.28

Finding the Fourth Proportional to 681,404.20, 933,527.08 and 655,865.28

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Solution

The fourth proportional to 681,404.20, 933,527.08 and 655,865.28 is: 898,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,404.20 : 933,527.08 = 655,865.28 : x
  2. Step 2: Convert to fraction form
    681,404.20/933,527.08 = 655,865.28/x
  3. Step 3: Cross multiply
    681,404.20x = 933,527.08 × 655,865.28
  4. Step 4: Simplify right side
    681,404.20x = 612,267,999,711.78
  5. Step 5: Solve for x
    x = 612,267,999,711.78/681,404.20
  6. Step 6: Final answer
    x = 898,538.63

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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.