Home / 1,753,247.66-2,419,380.11-978,927.52

Finding the Fourth Proportional to 1,753,247.66, 2,419,380.11 and 978,927.52

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Solution

The fourth proportional to 1,753,247.66, 2,419,380.11 and 978,927.52 is: 1,350,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,247.66 : 2,419,380.11 = 978,927.52 : x
  2. Step 2: Convert to fraction form
    1,753,247.66/2,419,380.11 = 978,927.52/x
  3. Step 3: Cross multiply
    1,753,247.66x = 2,419,380.11 × 978,927.52
  4. Step 4: Simplify right side
    1,753,247.66x = 2,368,397,777,068.08
  5. Step 5: Solve for x
    x = 2,368,397,777,068.08/1,753,247.66
  6. Step 6: Final answer
    x = 1,350,863.22

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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.