Home / 681,337.80-1,022,006.70-414,961.20

Finding the Fourth Proportional to 681,337.80, 1,022,006.70 and 414,961.20

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Solution

The fourth proportional to 681,337.80, 1,022,006.70 and 414,961.20 is: 622,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,337.80 : 1,022,006.70 = 414,961.20 : x
  2. Step 2: Convert to fraction form
    681,337.80/1,022,006.70 = 414,961.20/x
  3. Step 3: Cross multiply
    681,337.80x = 1,022,006.70 × 414,961.20
  4. Step 4: Simplify right side
    681,337.80x = 424,093,126,640.04
  5. Step 5: Solve for x
    x = 424,093,126,640.04/681,337.80
  6. Step 6: Final answer
    x = 622,441.80

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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.