Home / 1,244,377.20-1,868,534.10-945,195.60

Finding the Fourth Proportional to 1,244,377.20, 1,868,534.10 and 945,195.60

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Solution

The fourth proportional to 1,244,377.20, 1,868,534.10 and 945,195.60 is: 1,419,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,377.20 : 1,868,534.10 = 945,195.60 : x
  2. Step 2: Convert to fraction form
    1,244,377.20/1,868,534.10 = 945,195.60/x
  3. Step 3: Cross multiply
    1,244,377.20x = 1,868,534.10 × 945,195.60
  4. Step 4: Simplify right side
    1,244,377.20x = 1,766,130,209,769.96
  5. Step 5: Solve for x
    x = 1,766,130,209,769.96/1,244,377.20
  6. Step 6: Final answer
    x = 1,419,288.47

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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.