Home / 327,698.46-491,543.57-178,886.81

Finding the Fourth Proportional to 327,698.46, 491,543.57 and 178,886.81

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Solution

The fourth proportional to 327,698.46, 491,543.57 and 178,886.81 is: 268,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,698.46 : 491,543.57 = 178,886.81 : x
  2. Step 2: Convert to fraction form
    327,698.46/491,543.57 = 178,886.81/x
  3. Step 3: Cross multiply
    327,698.46x = 491,543.57 × 178,886.81
  4. Step 4: Simplify right side
    327,698.46x = 87,930,662,889.39
  5. Step 5: Solve for x
    x = 87,930,662,889.39/327,698.46
  6. Step 6: Final answer
    x = 268,327.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.