Home / 767,380.40-1,151,070.60-234,902.60

Finding the Fourth Proportional to 767,380.40, 1,151,070.60 and 234,902.60

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Solution

The fourth proportional to 767,380.40, 1,151,070.60 and 234,902.60 is: 352,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,380.40 : 1,151,070.60 = 234,902.60 : x
  2. Step 2: Convert to fraction form
    767,380.40/1,151,070.60 = 234,902.60/x
  3. Step 3: Cross multiply
    767,380.40x = 1,151,070.60 × 234,902.60
  4. Step 4: Simplify right side
    767,380.40x = 270,389,476,723.56
  5. Step 5: Solve for x
    x = 270,389,476,723.56/767,380.40
  6. Step 6: Final answer
    x = 352,353.90

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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.