Home / 1,617,226.60-2,425,839.90-419,139.40

Finding the Fourth Proportional to 1,617,226.60, 2,425,839.90 and 419,139.40

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Solution

The fourth proportional to 1,617,226.60, 2,425,839.90 and 419,139.40 is: 628,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,226.60 : 2,425,839.90 = 419,139.40 : x
  2. Step 2: Convert to fraction form
    1,617,226.60/2,425,839.90 = 419,139.40/x
  3. Step 3: Cross multiply
    1,617,226.60x = 2,425,839.90 × 419,139.40
  4. Step 4: Simplify right side
    1,617,226.60x = 1,016,765,080,182.06
  5. Step 5: Solve for x
    x = 1,016,765,080,182.06/1,617,226.60
  6. Step 6: Final answer
    x = 628,709.10

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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.