Home / 491,036.32-677,623.42-276,176.32

Finding the Fourth Proportional to 491,036.32, 677,623.42 and 276,176.32

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Solution

The fourth proportional to 491,036.32, 677,623.42 and 276,176.32 is: 381,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,036.32 : 677,623.42 = 276,176.32 : x
  2. Step 2: Convert to fraction form
    491,036.32/677,623.42 = 276,176.32/x
  3. Step 3: Cross multiply
    491,036.32x = 677,623.42 × 276,176.32
  4. Step 4: Simplify right side
    491,036.32x = 187,143,542,481.41
  5. Step 5: Solve for x
    x = 187,143,542,481.41/491,036.32
  6. Step 6: Final answer
    x = 381,119.55

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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.