Home / 1,617,101.62-2,425,642.35-419,020.90

Finding the Fourth Proportional to 1,617,101.62, 2,425,642.35 and 419,020.90

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Solution

The fourth proportional to 1,617,101.62, 2,425,642.35 and 419,020.90 is: 628,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,101.62 : 2,425,642.35 = 419,020.90 : x
  2. Step 2: Convert to fraction form
    1,617,101.62/2,425,642.35 = 419,020.90/x
  3. Step 3: Cross multiply
    1,617,101.62x = 2,425,642.35 × 419,020.90
  4. Step 4: Simplify right side
    1,617,101.62x = 1,016,394,840,575.12
  5. Step 5: Solve for x
    x = 1,016,394,840,575.12/1,617,101.62
  6. Step 6: Final answer
    x = 628,528.74

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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.