Home / 998,731.33-1,377,322.82-635,776.81

Finding the Fourth Proportional to 998,731.33, 1,377,322.82 and 635,776.81

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Solution

The fourth proportional to 998,731.33, 1,377,322.82 and 635,776.81 is: 876,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,731.33 : 1,377,322.82 = 635,776.81 : x
  2. Step 2: Convert to fraction form
    998,731.33/1,377,322.82 = 635,776.81/x
  3. Step 3: Cross multiply
    998,731.33x = 1,377,322.82 × 635,776.81
  4. Step 4: Simplify right side
    998,731.33x = 875,669,902,217.61
  5. Step 5: Solve for x
    x = 875,669,902,217.61/998,731.33
  6. Step 6: Final answer
    x = 876,782.25

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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.