Home / 494,014.86-681,731.55-279,150.30

Finding the Fourth Proportional to 494,014.86, 681,731.55 and 279,150.30

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Solution

The fourth proportional to 494,014.86, 681,731.55 and 279,150.30 is: 385,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,014.86 : 681,731.55 = 279,150.30 : x
  2. Step 2: Convert to fraction form
    494,014.86/681,731.55 = 279,150.30/x
  3. Step 3: Cross multiply
    494,014.86x = 681,731.55 × 279,150.30
  4. Step 4: Simplify right side
    494,014.86x = 190,305,566,701.97
  5. Step 5: Solve for x
    x = 190,305,566,701.97/494,014.86
  6. Step 6: Final answer
    x = 385,222.35

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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.