Home / 1,279,593.22-1,765,839.31-698,824.44

Finding the Fourth Proportional to 1,279,593.22, 1,765,839.31 and 698,824.44

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Solution

The fourth proportional to 1,279,593.22, 1,765,839.31 and 698,824.44 is: 964,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,593.22 : 1,765,839.31 = 698,824.44 : x
  2. Step 2: Convert to fraction form
    1,279,593.22/1,765,839.31 = 698,824.44/x
  3. Step 3: Cross multiply
    1,279,593.22x = 1,765,839.31 × 698,824.44
  4. Step 4: Simplify right side
    1,279,593.22x = 1,234,011,666,940.74
  5. Step 5: Solve for x
    x = 1,234,011,666,940.74/1,279,593.22
  6. Step 6: Final answer
    x = 964,378.09

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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.