Home / 394,586.68-591,620-141,740.32

Finding the Fourth Proportional to 394,586.68, 591,620 and 141,740.32

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Solution

The fourth proportional to 394,586.68, 591,620 and 141,740.32 is: 212,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,586.68 : 591,620 = 141,740.32 : x
  2. Step 2: Convert to fraction form
    394,586.68/591,620 = 141,740.32/x
  3. Step 3: Cross multiply
    394,586.68x = 591,620 × 141,740.32
  4. Step 4: Simplify right side
    394,586.68x = 83,856,408,118.40
  5. Step 5: Solve for x
    x = 83,856,408,118.40/394,586.68
  6. Step 6: Final answer
    x = 212,517.08

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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.