Home / 815,195.32-1,222,791.78-534,646.84

Finding the Fourth Proportional to 815,195.32, 1,222,791.78 and 534,646.84

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Solution

The fourth proportional to 815,195.32, 1,222,791.78 and 534,646.84 is: 801,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,195.32 : 1,222,791.78 = 534,646.84 : x
  2. Step 2: Convert to fraction form
    815,195.32/1,222,791.78 = 534,646.84/x
  3. Step 3: Cross multiply
    815,195.32x = 1,222,791.78 × 534,646.84
  4. Step 4: Simplify right side
    815,195.32x = 653,761,761,154.98
  5. Step 5: Solve for x
    x = 653,761,761,154.98/815,195.32
  6. Step 6: Final answer
    x = 801,969.47

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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.