Home / 815,504.55-1,222,053.98-591,337.05

Finding the Fourth Proportional to 815,504.55, 1,222,053.98 and 591,337.05

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Solution

The fourth proportional to 815,504.55, 1,222,053.98 and 591,337.05 is: 886,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,504.55 : 1,222,053.98 = 591,337.05 : x
  2. Step 2: Convert to fraction form
    815,504.55/1,222,053.98 = 591,337.05/x
  3. Step 3: Cross multiply
    815,504.55x = 1,222,053.98 × 591,337.05
  4. Step 4: Simplify right side
    815,504.55x = 722,645,792,517.27
  5. Step 5: Solve for x
    x = 722,645,792,517.27/815,504.55
  6. Step 6: Final answer
    x = 886,133.37

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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.