Home / 494,014.82-681,731.55-279,150.26

Finding the Fourth Proportional to 494,014.82, 681,731.55 and 279,150.26

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Solution

The fourth proportional to 494,014.82, 681,731.55 and 279,150.26 is: 385,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,014.82 : 681,731.55 = 279,150.26 : x
  2. Step 2: Convert to fraction form
    494,014.82/681,731.55 = 279,150.26/x
  3. Step 3: Cross multiply
    494,014.82x = 681,731.55 × 279,150.26
  4. Step 4: Simplify right side
    494,014.82x = 190,305,536,024.05
  5. Step 5: Solve for x
    x = 190,305,536,024.05/494,014.82
  6. Step 6: Final answer
    x = 385,222.33

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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.