Home / 1,753,310.79-2,419,545.11-978,953.54

Finding the Fourth Proportional to 1,753,310.79, 2,419,545.11 and 978,953.54

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Solution

The fourth proportional to 1,753,310.79, 2,419,545.11 and 978,953.54 is: 1,350,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,310.79 : 2,419,545.11 = 978,953.54 : x
  2. Step 2: Convert to fraction form
    1,753,310.79/2,419,545.11 = 978,953.54/x
  3. Step 3: Cross multiply
    1,753,310.79x = 2,419,545.11 × 978,953.54
  4. Step 4: Simplify right side
    1,753,310.79x = 2,368,622,233,631.70
  5. Step 5: Solve for x
    x = 2,368,622,233,631.70/1,753,310.79
  6. Step 6: Final answer
    x = 1,350,942.60

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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.