Home / 746,901.60-1,120,352.40-273,634.80

Finding the Fourth Proportional to 746,901.60, 1,120,352.40 and 273,634.80

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Solution

The fourth proportional to 746,901.60, 1,120,352.40 and 273,634.80 is: 410,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,901.60 : 1,120,352.40 = 273,634.80 : x
  2. Step 2: Convert to fraction form
    746,901.60/1,120,352.40 = 273,634.80/x
  3. Step 3: Cross multiply
    746,901.60x = 1,120,352.40 × 273,634.80
  4. Step 4: Simplify right side
    746,901.60x = 306,567,404,903.52
  5. Step 5: Solve for x
    x = 306,567,404,903.52/746,901.60
  6. Step 6: Final answer
    x = 410,452.20

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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.