Home / 1,617,109.62-2,425,654.35-419,028.90

Finding the Fourth Proportional to 1,617,109.62, 2,425,654.35 and 419,028.90

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Solution

The fourth proportional to 1,617,109.62, 2,425,654.35 and 419,028.90 is: 628,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,109.62 : 2,425,654.35 = 419,028.90 : x
  2. Step 2: Convert to fraction form
    1,617,109.62/2,425,654.35 = 419,028.90/x
  3. Step 3: Cross multiply
    1,617,109.62x = 2,425,654.35 × 419,028.90
  4. Step 4: Simplify right side
    1,617,109.62x = 1,016,419,274,060.72
  5. Step 5: Solve for x
    x = 1,016,419,274,060.72/1,617,109.62
  6. Step 6: Final answer
    x = 628,540.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.