Home / 746,901.60-1,120,352.40-248,200.80

Finding the Fourth Proportional to 746,901.60, 1,120,352.40 and 248,200.80

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Solution

The fourth proportional to 746,901.60, 1,120,352.40 and 248,200.80 is: 372,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,901.60 : 1,120,352.40 = 248,200.80 : x
  2. Step 2: Convert to fraction form
    746,901.60/1,120,352.40 = 248,200.80/x
  3. Step 3: Cross multiply
    746,901.60x = 1,120,352.40 × 248,200.80
  4. Step 4: Simplify right side
    746,901.60x = 278,072,361,961.92
  5. Step 5: Solve for x
    x = 278,072,361,961.92/746,901.60
  6. Step 6: Final answer
    x = 372,301.20

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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.