Home / 998,551.84-1,377,999.66-545,842.84

Finding the Fourth Proportional to 998,551.84, 1,377,999.66 and 545,842.84

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Solution

The fourth proportional to 998,551.84, 1,377,999.66 and 545,842.84 is: 753,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,551.84 : 1,377,999.66 = 545,842.84 : x
  2. Step 2: Convert to fraction form
    998,551.84/1,377,999.66 = 545,842.84/x
  3. Step 3: Cross multiply
    998,551.84x = 1,377,999.66 × 545,842.84
  4. Step 4: Simplify right side
    998,551.84x = 752,171,247,933.43
  5. Step 5: Solve for x
    x = 752,171,247,933.43/998,551.84
  6. Step 6: Final answer
    x = 753,262.09

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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.