Home / 814,388.46-1,221,581.88-557,968.38

Finding the Fourth Proportional to 814,388.46, 1,221,581.88 and 557,968.38

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Solution

The fourth proportional to 814,388.46, 1,221,581.88 and 557,968.38 is: 836,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,388.46 : 1,221,581.88 = 557,968.38 : x
  2. Step 2: Convert to fraction form
    814,388.46/1,221,581.88 = 557,968.38/x
  3. Step 3: Cross multiply
    814,388.46x = 1,221,581.88 × 557,968.38
  4. Step 4: Simplify right side
    814,388.46x = 681,604,062,620.95
  5. Step 5: Solve for x
    x = 681,604,062,620.95/814,388.46
  6. Step 6: Final answer
    x = 836,952.02

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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.