Home / 681,859.12-1,022,936.16-261,135.04

Finding the Fourth Proportional to 681,859.12, 1,022,936.16 and 261,135.04

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Solution

The fourth proportional to 681,859.12, 1,022,936.16 and 261,135.04 is: 391,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,859.12 : 1,022,936.16 = 261,135.04 : x
  2. Step 2: Convert to fraction form
    681,859.12/1,022,936.16 = 261,135.04/x
  3. Step 3: Cross multiply
    681,859.12x = 1,022,936.16 × 261,135.04
  4. Step 4: Simplify right side
    681,859.12x = 267,124,475,059.05
  5. Step 5: Solve for x
    x = 267,124,475,059.05/681,859.12
  6. Step 6: Final answer
    x = 391,759.04

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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.