Home / 835,348.80-1,253,023.20-481,454.40

Finding the Fourth Proportional to 835,348.80, 1,253,023.20 and 481,454.40

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Solution

The fourth proportional to 835,348.80, 1,253,023.20 and 481,454.40 is: 722,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,348.80 : 1,253,023.20 = 481,454.40 : x
  2. Step 2: Convert to fraction form
    835,348.80/1,253,023.20 = 481,454.40/x
  3. Step 3: Cross multiply
    835,348.80x = 1,253,023.20 × 481,454.40
  4. Step 4: Simplify right side
    835,348.80x = 603,273,532,942.08
  5. Step 5: Solve for x
    x = 603,273,532,942.08/835,348.80
  6. Step 6: Final answer
    x = 722,181.60

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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.