Home / 1,753,247.72-2,419,380.20-978,927.59

Finding the Fourth Proportional to 1,753,247.72, 2,419,380.20 and 978,927.59

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Solution

The fourth proportional to 1,753,247.72, 2,419,380.20 and 978,927.59 is: 1,350,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,247.72 : 2,419,380.20 = 978,927.59 : x
  2. Step 2: Convert to fraction form
    1,753,247.72/2,419,380.20 = 978,927.59/x
  3. Step 3: Cross multiply
    1,753,247.72x = 2,419,380.20 × 978,927.59
  4. Step 4: Simplify right side
    1,753,247.72x = 2,368,398,012,711.84
  5. Step 5: Solve for x
    x = 2,368,398,012,711.84/1,753,247.72
  6. Step 6: Final answer
    x = 1,350,863.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.