Home / 729,106.74-1,093,653.55-230,470.90

Finding the Fourth Proportional to 729,106.74, 1,093,653.55 and 230,470.90

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Solution

The fourth proportional to 729,106.74, 1,093,653.55 and 230,470.90 is: 345,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,106.74 : 1,093,653.55 = 230,470.90 : x
  2. Step 2: Convert to fraction form
    729,106.74/1,093,653.55 = 230,470.90/x
  3. Step 3: Cross multiply
    729,106.74x = 1,093,653.55 × 230,470.90
  4. Step 4: Simplify right side
    729,106.74x = 252,055,317,956.70
  5. Step 5: Solve for x
    x = 252,055,317,956.70/729,106.74
  6. Step 6: Final answer
    x = 345,704.28

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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.