Home / 998,418.39-1,377,914.28-590,651.49

Finding the Fourth Proportional to 998,418.39, 1,377,914.28 and 590,651.49

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Solution

The fourth proportional to 998,418.39, 1,377,914.28 and 590,651.49 is: 815,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,418.39 : 1,377,914.28 = 590,651.49 : x
  2. Step 2: Convert to fraction form
    998,418.39/1,377,914.28 = 590,651.49/x
  3. Step 3: Cross multiply
    998,418.39x = 1,377,914.28 × 590,651.49
  4. Step 4: Simplify right side
    998,418.39x = 813,867,122,574.28
  5. Step 5: Solve for x
    x = 813,867,122,574.28/998,418.39
  6. Step 6: Final answer
    x = 815,156.38

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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.