Home / 1,422,523.57-1,965,292.92-1,192,724.56

Finding the Fourth Proportional to 1,422,523.57, 1,965,292.92 and 1,192,724.56

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Solution

The fourth proportional to 1,422,523.57, 1,965,292.92 and 1,192,724.56 is: 1,647,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,523.57 : 1,965,292.92 = 1,192,724.56 : x
  2. Step 2: Convert to fraction form
    1,422,523.57/1,965,292.92 = 1,192,724.56/x
  3. Step 3: Cross multiply
    1,422,523.57x = 1,965,292.92 × 1,192,724.56
  4. Step 4: Simplify right side
    1,422,523.57x = 2,344,053,133,278.12
  5. Step 5: Solve for x
    x = 2,344,053,133,278.12/1,422,523.57
  6. Step 6: Final answer
    x = 1,647,813.21

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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.