Home / 801,928.14-1,105,774.26-511,079.41

Finding the Fourth Proportional to 801,928.14, 1,105,774.26 and 511,079.41

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Solution

The fourth proportional to 801,928.14, 1,105,774.26 and 511,079.41 is: 704,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,928.14 : 1,105,774.26 = 511,079.41 : x
  2. Step 2: Convert to fraction form
    801,928.14/1,105,774.26 = 511,079.41/x
  3. Step 3: Cross multiply
    801,928.14x = 1,105,774.26 × 511,079.41
  4. Step 4: Simplify right side
    801,928.14x = 565,138,456,393.99
  5. Step 5: Solve for x
    x = 565,138,456,393.99/801,928.14
  6. Step 6: Final answer
    x = 704,724.56

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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.