Home / 777,828.43-1,073,021.71-519,768.73

Finding the Fourth Proportional to 777,828.43, 1,073,021.71 and 519,768.73

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Solution

The fourth proportional to 777,828.43, 1,073,021.71 and 519,768.73 is: 717,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,828.43 : 1,073,021.71 = 519,768.73 : x
  2. Step 2: Convert to fraction form
    777,828.43/1,073,021.71 = 519,768.73/x
  3. Step 3: Cross multiply
    777,828.43x = 1,073,021.71 × 519,768.73
  4. Step 4: Simplify right side
    777,828.43x = 557,723,131,469.13
  5. Step 5: Solve for x
    x = 557,723,131,469.13/777,828.43
  6. Step 6: Final answer
    x = 717,025.90

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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.