Home / 1,331,890-1,997,836.92-543,922

Finding the Fourth Proportional to 1,331,890, 1,997,836.92 and 543,922

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Solution

The fourth proportional to 1,331,890, 1,997,836.92 and 543,922 is: 815,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,890 : 1,997,836.92 = 543,922 : x
  2. Step 2: Convert to fraction form
    1,331,890/1,997,836.92 = 543,922/x
  3. Step 3: Cross multiply
    1,331,890x = 1,997,836.92 × 543,922
  4. Step 4: Simplify right side
    1,331,890x = 1,086,667,453,200.24
  5. Step 5: Solve for x
    x = 1,086,667,453,200.24/1,331,890
  6. Step 6: Final answer
    x = 815,883.78

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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.