Home / 494,011.32-681,726.74-279,146.73

Finding the Fourth Proportional to 494,011.32, 681,726.74 and 279,146.73

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Solution

The fourth proportional to 494,011.32, 681,726.74 and 279,146.73 is: 385,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,011.32 : 681,726.74 = 279,146.73 : x
  2. Step 2: Convert to fraction form
    494,011.32/681,726.74 = 279,146.73/x
  3. Step 3: Cross multiply
    494,011.32x = 681,726.74 × 279,146.73
  4. Step 4: Simplify right side
    494,011.32x = 190,301,790,224.56
  5. Step 5: Solve for x
    x = 190,301,790,224.56/494,011.32
  6. Step 6: Final answer
    x = 385,217.47

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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.