Home / 746,736.10-1,120,108.20-185,770.60

Finding the Fourth Proportional to 746,736.10, 1,120,108.20 and 185,770.60

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Solution

The fourth proportional to 746,736.10, 1,120,108.20 and 185,770.60 is: 278,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,736.10 : 1,120,108.20 = 185,770.60 : x
  2. Step 2: Convert to fraction form
    746,736.10/1,120,108.20 = 185,770.60/x
  3. Step 3: Cross multiply
    746,736.10x = 1,120,108.20 × 185,770.60
  4. Step 4: Simplify right side
    746,736.10x = 208,083,172,378.92
  5. Step 5: Solve for x
    x = 208,083,172,378.92/746,736.10
  6. Step 6: Final answer
    x = 278,656.91

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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.