Home / 663,893.12-995,718.19-177,581.55

Finding the Fourth Proportional to 663,893.12, 995,718.19 and 177,581.55

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Solution

The fourth proportional to 663,893.12, 995,718.19 and 177,581.55 is: 266,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,893.12 : 995,718.19 = 177,581.55 : x
  2. Step 2: Convert to fraction form
    663,893.12/995,718.19 = 177,581.55/x
  3. Step 3: Cross multiply
    663,893.12x = 995,718.19 × 177,581.55
  4. Step 4: Simplify right side
    663,893.12x = 176,821,181,141.81
  5. Step 5: Solve for x
    x = 176,821,181,141.81/663,893.12
  6. Step 6: Final answer
    x = 266,339.83

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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.