Home / 1,612,096.80-2,419,700.40-814,279.20

Finding the Fourth Proportional to 1,612,096.80, 2,419,700.40 and 814,279.20

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Solution

The fourth proportional to 1,612,096.80, 2,419,700.40 and 814,279.20 is: 1,222,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,096.80 : 2,419,700.40 = 814,279.20 : x
  2. Step 2: Convert to fraction form
    1,612,096.80/2,419,700.40 = 814,279.20/x
  3. Step 3: Cross multiply
    1,612,096.80x = 2,419,700.40 × 814,279.20
  4. Step 4: Simplify right side
    1,612,096.80x = 1,970,311,705,951.68
  5. Step 5: Solve for x
    x = 1,970,311,705,951.68/1,612,096.80
  6. Step 6: Final answer
    x = 1,222,204.34

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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.