Home / 746,845.60-1,120,266.24-185,879.92

Finding the Fourth Proportional to 746,845.60, 1,120,266.24 and 185,879.92

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Solution

The fourth proportional to 746,845.60, 1,120,266.24 and 185,879.92 is: 278,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,845.60 : 1,120,266.24 = 185,879.92 : x
  2. Step 2: Convert to fraction form
    746,845.60/1,120,266.24 = 185,879.92/x
  3. Step 3: Cross multiply
    746,845.60x = 1,120,266.24 × 185,879.92
  4. Step 4: Simplify right side
    746,845.60x = 208,234,999,069.90
  5. Step 5: Solve for x
    x = 208,234,999,069.90/746,845.60
  6. Step 6: Final answer
    x = 278,819.34

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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.