Home / 681,330.15-1,021,995.23-548,469.90

Finding the Fourth Proportional to 681,330.15, 1,021,995.23 and 548,469.90

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Solution

The fourth proportional to 681,330.15, 1,021,995.23 and 548,469.90 is: 822,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,330.15 : 1,021,995.23 = 548,469.90 : x
  2. Step 2: Convert to fraction form
    681,330.15/1,021,995.23 = 548,469.90/x
  3. Step 3: Cross multiply
    681,330.15x = 1,021,995.23 × 548,469.90
  4. Step 4: Simplify right side
    681,330.15x = 560,533,618,856.23
  5. Step 5: Solve for x
    x = 560,533,618,856.23/681,330.15
  6. Step 6: Final answer
    x = 822,704.85

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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.