Home / 1,617,266.10-2,425,899.15-419,178.90

Finding the Fourth Proportional to 1,617,266.10, 2,425,899.15 and 419,178.90

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Solution

The fourth proportional to 1,617,266.10, 2,425,899.15 and 419,178.90 is: 628,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,266.10 : 2,425,899.15 = 419,178.90 : x
  2. Step 2: Convert to fraction form
    1,617,266.10/2,425,899.15 = 419,178.90/x
  3. Step 3: Cross multiply
    1,617,266.10x = 2,425,899.15 × 419,178.90
  4. Step 4: Simplify right side
    1,617,266.10x = 1,016,885,737,207.94
  5. Step 5: Solve for x
    x = 1,016,885,737,207.94/1,617,266.10
  6. Step 6: Final answer
    x = 628,768.35

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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.