Home / 718,077.20-1,077,112.52-185,552.96

Finding the Fourth Proportional to 718,077.20, 1,077,112.52 and 185,552.96

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Solution

The fourth proportional to 718,077.20, 1,077,112.52 and 185,552.96 is: 278,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,077.20 : 1,077,112.52 = 185,552.96 : x
  2. Step 2: Convert to fraction form
    718,077.20/1,077,112.52 = 185,552.96/x
  3. Step 3: Cross multiply
    718,077.20x = 1,077,112.52 × 185,552.96
  4. Step 4: Simplify right side
    718,077.20x = 199,861,416,339.06
  5. Step 5: Solve for x
    x = 199,861,416,339.06/718,077.20
  6. Step 6: Final answer
    x = 278,328.59

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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.