Home / 394,324.20-591,875.10-194,869.80

Finding the Fourth Proportional to 394,324.20, 591,875.10 and 194,869.80

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Solution

The fourth proportional to 394,324.20, 591,875.10 and 194,869.80 is: 292,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,324.20 : 591,875.10 = 194,869.80 : x
  2. Step 2: Convert to fraction form
    394,324.20/591,875.10 = 194,869.80/x
  3. Step 3: Cross multiply
    394,324.20x = 591,875.10 × 194,869.80
  4. Step 4: Simplify right side
    394,324.20x = 115,338,582,361.98
  5. Step 5: Solve for x
    x = 115,338,582,361.98/394,324.20
  6. Step 6: Final answer
    x = 292,496.84

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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.