Home / 394,723.48-591,641.34-194,620.36

Finding the Fourth Proportional to 394,723.48, 591,641.34 and 194,620.36

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Solution

The fourth proportional to 394,723.48, 591,641.34 and 194,620.36 is: 291,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,723.48 : 591,641.34 = 194,620.36 : x
  2. Step 2: Convert to fraction form
    394,723.48/591,641.34 = 194,620.36/x
  3. Step 3: Cross multiply
    394,723.48x = 591,641.34 × 194,620.36
  4. Step 4: Simplify right side
    394,723.48x = 115,145,450,581.68
  5. Step 5: Solve for x
    x = 115,145,450,581.68/394,723.48
  6. Step 6: Final answer
    x = 291,711.68

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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.