Home / 461,119.80-691,809.30-224,470.20

Finding the Fourth Proportional to 461,119.80, 691,809.30 and 224,470.20

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Solution

The fourth proportional to 461,119.80, 691,809.30 and 224,470.20 is: 336,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,119.80 : 691,809.30 = 224,470.20 : x
  2. Step 2: Convert to fraction form
    461,119.80/691,809.30 = 224,470.20/x
  3. Step 3: Cross multiply
    461,119.80x = 691,809.30 × 224,470.20
  4. Step 4: Simplify right side
    461,119.80x = 155,290,571,932.86
  5. Step 5: Solve for x
    x = 155,290,571,932.86/461,119.80
  6. Step 6: Final answer
    x = 336,768.39

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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.