Home / 494,356.32-681,849.36-324,528.48

Finding the Fourth Proportional to 494,356.32, 681,849.36 and 324,528.48

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Solution

The fourth proportional to 494,356.32, 681,849.36 and 324,528.48 is: 447,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,356.32 : 681,849.36 = 324,528.48 : x
  2. Step 2: Convert to fraction form
    494,356.32/681,849.36 = 324,528.48/x
  3. Step 3: Cross multiply
    494,356.32x = 681,849.36 × 324,528.48
  4. Step 4: Simplify right side
    494,356.32x = 221,279,536,389.77
  5. Step 5: Solve for x
    x = 221,279,536,389.77/494,356.32
  6. Step 6: Final answer
    x = 447,611.42

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Similar ratio
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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.