Home / 998,806.56-1,378,015.44-568,781.76

Finding the Fourth Proportional to 998,806.56, 1,378,015.44 and 568,781.76

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Solution

The fourth proportional to 998,806.56, 1,378,015.44 and 568,781.76 is: 784,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,806.56 : 1,378,015.44 = 568,781.76 : x
  2. Step 2: Convert to fraction form
    998,806.56/1,378,015.44 = 568,781.76/x
  3. Step 3: Cross multiply
    998,806.56x = 1,378,015.44 × 568,781.76
  4. Step 4: Simplify right side
    998,806.56x = 783,790,047,270.37
  5. Step 5: Solve for x
    x = 783,790,047,270.37/998,806.56
  6. Step 6: Final answer
    x = 784,726.57

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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.