Home / 654,729.26-903,517.68-368,249.36

Finding the Fourth Proportional to 654,729.26, 903,517.68 and 368,249.36

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Solution

The fourth proportional to 654,729.26, 903,517.68 and 368,249.36 is: 508,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,729.26 : 903,517.68 = 368,249.36 : x
  2. Step 2: Convert to fraction form
    654,729.26/903,517.68 = 368,249.36/x
  3. Step 3: Cross multiply
    654,729.26x = 903,517.68 × 368,249.36
  4. Step 4: Simplify right side
    654,729.26x = 332,719,807,408.69
  5. Step 5: Solve for x
    x = 332,719,807,408.69/654,729.26
  6. Step 6: Final answer
    x = 508,179.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.