Home / 1,026,839.38-1,416,604.44-687,416.98

Finding the Fourth Proportional to 1,026,839.38, 1,416,604.44 and 687,416.98

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Solution

The fourth proportional to 1,026,839.38, 1,416,604.44 and 687,416.98 is: 948,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,839.38 : 1,416,604.44 = 687,416.98 : x
  2. Step 2: Convert to fraction form
    1,026,839.38/1,416,604.44 = 687,416.98/x
  3. Step 3: Cross multiply
    1,026,839.38x = 1,416,604.44 × 687,416.98
  4. Step 4: Simplify right side
    1,026,839.38x = 973,797,945,999.39
  5. Step 5: Solve for x
    x = 973,797,945,999.39/1,026,839.38
  6. Step 6: Final answer
    x = 948,344.96

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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.