Home / 494,456.16-682,341.60-279,589.44

Finding the Fourth Proportional to 494,456.16, 682,341.60 and 279,589.44

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Solution

The fourth proportional to 494,456.16, 682,341.60 and 279,589.44 is: 385,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,456.16 : 682,341.60 = 279,589.44 : x
  2. Step 2: Convert to fraction form
    494,456.16/682,341.60 = 279,589.44/x
  3. Step 3: Cross multiply
    494,456.16x = 682,341.60 × 279,589.44
  4. Step 4: Simplify right side
    494,456.16x = 190,775,505,832.70
  5. Step 5: Solve for x
    x = 190,775,505,832.70/494,456.16
  6. Step 6: Final answer
    x = 385,828.96

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1.5x scale

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.