Home / 1,941,864.60-2,912,796.90-679,819.80

Finding the Fourth Proportional to 1,941,864.60, 2,912,796.90 and 679,819.80

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Solution

The fourth proportional to 1,941,864.60, 2,912,796.90 and 679,819.80 is: 1,019,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,864.60 : 2,912,796.90 = 679,819.80 : x
  2. Step 2: Convert to fraction form
    1,941,864.60/2,912,796.90 = 679,819.80/x
  3. Step 3: Cross multiply
    1,941,864.60x = 2,912,796.90 × 679,819.80
  4. Step 4: Simplify right side
    1,941,864.60x = 1,980,177,005,998.62
  5. Step 5: Solve for x
    x = 1,980,177,005,998.62/1,941,864.60
  6. Step 6: Final answer
    x = 1,019,729.70

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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.