Home / 998,628.80-1,378,097.42-568,918.16

Finding the Fourth Proportional to 998,628.80, 1,378,097.42 and 568,918.16

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Solution

The fourth proportional to 998,628.80, 1,378,097.42 and 568,918.16 is: 785,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,628.80 : 1,378,097.42 = 568,918.16 : x
  2. Step 2: Convert to fraction form
    998,628.80/1,378,097.42 = 568,918.16/x
  3. Step 3: Cross multiply
    998,628.80x = 1,378,097.42 × 568,918.16
  4. Step 4: Simplify right side
    998,628.80x = 784,024,648,487.15
  5. Step 5: Solve for x
    x = 784,024,648,487.15/998,628.80
  6. Step 6: Final answer
    x = 785,101.18

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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.