Home / 998,281.45-1,377,873.21-568,814.86

Finding the Fourth Proportional to 998,281.45, 1,377,873.21 and 568,814.86

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Solution

The fourth proportional to 998,281.45, 1,377,873.21 and 568,814.86 is: 785,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,281.45 : 1,377,873.21 = 568,814.86 : x
  2. Step 2: Convert to fraction form
    998,281.45/1,377,873.21 = 568,814.86/x
  3. Step 3: Cross multiply
    998,281.45x = 1,377,873.21 × 568,814.86
  4. Step 4: Simplify right side
    998,281.45x = 783,754,757,043.90
  5. Step 5: Solve for x
    x = 783,754,757,043.90/998,281.45
  6. Step 6: Final answer
    x = 785,104.00

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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.