Home / 998,321.53-1,377,965.92-590,565.19

Finding the Fourth Proportional to 998,321.53, 1,377,965.92 and 590,565.19

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Solution

The fourth proportional to 998,321.53, 1,377,965.92 and 590,565.19 is: 815,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,321.53 : 1,377,965.92 = 590,565.19 : x
  2. Step 2: Convert to fraction form
    998,321.53/1,377,965.92 = 590,565.19/x
  3. Step 3: Cross multiply
    998,321.53x = 1,377,965.92 × 590,565.19
  4. Step 4: Simplify right side
    998,321.53x = 813,778,705,358.33
  5. Step 5: Solve for x
    x = 813,778,705,358.33/998,321.53
  6. Step 6: Final answer
    x = 815,146.90

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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.