Home / 1,028,519.29-1,536,524.10-665,734.60

Finding the Fourth Proportional to 1,028,519.29, 1,536,524.10 and 665,734.60

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Solution

The fourth proportional to 1,028,519.29, 1,536,524.10 and 665,734.60 is: 994,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,519.29 : 1,536,524.10 = 665,734.60 : x
  2. Step 2: Convert to fraction form
    1,028,519.29/1,536,524.10 = 665,734.60/x
  3. Step 3: Cross multiply
    1,028,519.29x = 1,536,524.10 × 665,734.60
  4. Step 4: Simplify right side
    1,028,519.29x = 1,022,917,250,381.57
  5. Step 5: Solve for x
    x = 1,022,917,250,381.57/1,028,519.29
  6. Step 6: Final answer
    x = 994,553.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.