Home / 705,003.60-1,057,505.40-231,736.80

Finding the Fourth Proportional to 705,003.60, 1,057,505.40 and 231,736.80

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Solution

The fourth proportional to 705,003.60, 1,057,505.40 and 231,736.80 is: 347,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,003.60 : 1,057,505.40 = 231,736.80 : x
  2. Step 2: Convert to fraction form
    705,003.60/1,057,505.40 = 231,736.80/x
  3. Step 3: Cross multiply
    705,003.60x = 1,057,505.40 × 231,736.80
  4. Step 4: Simplify right side
    705,003.60x = 245,062,917,378.72
  5. Step 5: Solve for x
    x = 245,062,917,378.72/705,003.60
  6. Step 6: Final answer
    x = 347,605.20

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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.