Home / 998,666.82-1,378,061.19-568,921.32

Finding the Fourth Proportional to 998,666.82, 1,378,061.19 and 568,921.32

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Solution

The fourth proportional to 998,666.82, 1,378,061.19 and 568,921.32 is: 785,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,666.82 : 1,378,061.19 = 568,921.32 : x
  2. Step 2: Convert to fraction form
    998,666.82/1,378,061.19 = 568,921.32/x
  3. Step 3: Cross multiply
    998,666.82x = 1,378,061.19 × 568,921.32
  4. Step 4: Simplify right side
    998,666.82x = 784,008,391,255.57
  5. Step 5: Solve for x
    x = 784,008,391,255.57/998,666.82
  6. Step 6: Final answer
    x = 785,055.01

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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.