Home / 494,015.32-681,732.24-279,150.76

Finding the Fourth Proportional to 494,015.32, 681,732.24 and 279,150.76

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Solution

The fourth proportional to 494,015.32, 681,732.24 and 279,150.76 is: 385,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,015.32 : 681,732.24 = 279,150.76 : x
  2. Step 2: Convert to fraction form
    494,015.32/681,732.24 = 279,150.76/x
  3. Step 3: Cross multiply
    494,015.32x = 681,732.24 × 279,150.76
  4. Step 4: Simplify right side
    494,015.32x = 190,306,069,503.84
  5. Step 5: Solve for x
    x = 190,306,069,503.84/494,015.32
  6. Step 6: Final answer
    x = 385,223.02

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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.