Home / 998,512.80-1,377,786.48-568,801.20

Finding the Fourth Proportional to 998,512.80, 1,377,786.48 and 568,801.20

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Solution

The fourth proportional to 998,512.80, 1,377,786.48 and 568,801.20 is: 784,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,512.80 : 1,377,786.48 = 568,801.20 : x
  2. Step 2: Convert to fraction form
    998,512.80/1,377,786.48 = 568,801.20/x
  3. Step 3: Cross multiply
    998,512.80x = 1,377,786.48 × 568,801.20
  4. Step 4: Simplify right side
    998,512.80x = 783,686,603,167.78
  5. Step 5: Solve for x
    x = 783,686,603,167.78/998,512.80
  6. Step 6: Final answer
    x = 784,853.84

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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.