Home / 1,012,964.52-1,396,523.10-649,757.88

Finding the Fourth Proportional to 1,012,964.52, 1,396,523.10 and 649,757.88

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Solution

The fourth proportional to 1,012,964.52, 1,396,523.10 and 649,757.88 is: 895,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,964.52 : 1,396,523.10 = 649,757.88 : x
  2. Step 2: Convert to fraction form
    1,012,964.52/1,396,523.10 = 649,757.88/x
  3. Step 3: Cross multiply
    1,012,964.52x = 1,396,523.10 × 649,757.88
  4. Step 4: Simplify right side
    1,012,964.52x = 907,401,888,827.03
  5. Step 5: Solve for x
    x = 907,401,888,827.03/1,012,964.52
  6. Step 6: Final answer
    x = 895,788.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.