Home / 1,247,564.30-1,871,414.55-394,572.27

Finding the Fourth Proportional to 1,247,564.30, 1,871,414.55 and 394,572.27

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Solution

The fourth proportional to 1,247,564.30, 1,871,414.55 and 394,572.27 is: 591,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,564.30 : 1,871,414.55 = 394,572.27 : x
  2. Step 2: Convert to fraction form
    1,247,564.30/1,871,414.55 = 394,572.27/x
  3. Step 3: Cross multiply
    1,247,564.30x = 1,871,414.55 × 394,572.27
  4. Step 4: Simplify right side
    1,247,564.30x = 738,408,287,104.53
  5. Step 5: Solve for x
    x = 738,408,287,104.53/1,247,564.30
  6. Step 6: Final answer
    x = 591,879.95

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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.