Home / 998,506.80-1,377,778.20-568,795.20

Finding the Fourth Proportional to 998,506.80, 1,377,778.20 and 568,795.20

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Solution

The fourth proportional to 998,506.80, 1,377,778.20 and 568,795.20 is: 784,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,506.80 : 1,377,778.20 = 568,795.20 : x
  2. Step 2: Convert to fraction form
    998,506.80/1,377,778.20 = 568,795.20/x
  3. Step 3: Cross multiply
    998,506.80x = 1,377,778.20 × 568,795.20
  4. Step 4: Simplify right side
    998,506.80x = 783,673,626,824.64
  5. Step 5: Solve for x
    x = 783,673,626,824.64/998,506.80
  6. Step 6: Final answer
    x = 784,845.56

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1.5x scale

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.