Home / 1,609,964.40-2,414,921.92-411,876.56

Finding the Fourth Proportional to 1,609,964.40, 2,414,921.92 and 411,876.56

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Solution

The fourth proportional to 1,609,964.40, 2,414,921.92 and 411,876.56 is: 617,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,964.40 : 2,414,921.92 = 411,876.56 : x
  2. Step 2: Convert to fraction form
    1,609,964.40/2,414,921.92 = 411,876.56/x
  3. Step 3: Cross multiply
    1,609,964.40x = 2,414,921.92 × 411,876.56
  4. Step 4: Simplify right side
    1,609,964.40x = 994,649,733,078.20
  5. Step 5: Solve for x
    x = 994,649,733,078.20/1,609,964.40
  6. Step 6: Final answer
    x = 617,808.53

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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.