Home / 394,421.40-591,632.10-194,772.60

Finding the Fourth Proportional to 394,421.40, 591,632.10 and 194,772.60

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Solution

The fourth proportional to 394,421.40, 591,632.10 and 194,772.60 is: 292,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,421.40 : 591,632.10 = 194,772.60 : x
  2. Step 2: Convert to fraction form
    394,421.40/591,632.10 = 194,772.60/x
  3. Step 3: Cross multiply
    394,421.40x = 591,632.10 × 194,772.60
  4. Step 4: Simplify right side
    394,421.40x = 115,233,722,360.46
  5. Step 5: Solve for x
    x = 115,233,722,360.46/394,421.40
  6. Step 6: Final answer
    x = 292,158.90

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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.