Home / 494,452.32-682,315.56-279,637.44

Finding the Fourth Proportional to 494,452.32, 682,315.56 and 279,637.44

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Solution

The fourth proportional to 494,452.32, 682,315.56 and 279,637.44 is: 385,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,452.32 : 682,315.56 = 279,637.44 : x
  2. Step 2: Convert to fraction form
    494,452.32/682,315.56 = 279,637.44/x
  3. Step 3: Cross multiply
    494,452.32x = 682,315.56 × 279,637.44
  4. Step 4: Simplify right side
    494,452.32x = 190,800,976,470.57
  5. Step 5: Solve for x
    x = 190,800,976,470.57/494,452.32
  6. Step 6: Final answer
    x = 385,883.47

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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.