Home / 746,755.24-1,120,133.70-185,789.80

Finding the Fourth Proportional to 746,755.24, 1,120,133.70 and 185,789.80

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Solution

The fourth proportional to 746,755.24, 1,120,133.70 and 185,789.80 is: 278,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,755.24 : 1,120,133.70 = 185,789.80 : x
  2. Step 2: Convert to fraction form
    746,755.24/1,120,133.70 = 185,789.80/x
  3. Step 3: Cross multiply
    746,755.24x = 1,120,133.70 × 185,789.80
  4. Step 4: Simplify right side
    746,755.24x = 208,109,416,096.26
  5. Step 5: Solve for x
    x = 208,109,416,096.26/746,755.24
  6. Step 6: Final answer
    x = 278,684.91

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Double scale
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Similar ratio
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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.