Home / 998,293.43-1,377,889.85-568,827.38

Finding the Fourth Proportional to 998,293.43, 1,377,889.85 and 568,827.38

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Solution

The fourth proportional to 998,293.43, 1,377,889.85 and 568,827.38 is: 785,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,293.43 : 1,377,889.85 = 568,827.38 : x
  2. Step 2: Convert to fraction form
    998,293.43/1,377,889.85 = 568,827.38/x
  3. Step 3: Cross multiply
    998,293.43x = 1,377,889.85 × 568,827.38
  4. Step 4: Simplify right side
    998,293.43x = 783,781,473,304.09
  5. Step 5: Solve for x
    x = 783,781,473,304.09/998,293.43
  6. Step 6: Final answer
    x = 785,121.34

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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.