Home / 591,905.60-887,858.40-259,481.60

Finding the Fourth Proportional to 591,905.60, 887,858.40 and 259,481.60

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Solution

The fourth proportional to 591,905.60, 887,858.40 and 259,481.60 is: 389,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,905.60 : 887,858.40 = 259,481.60 : x
  2. Step 2: Convert to fraction form
    591,905.60/887,858.40 = 259,481.60/x
  3. Step 3: Cross multiply
    591,905.60x = 887,858.40 × 259,481.60
  4. Step 4: Simplify right side
    591,905.60x = 230,382,918,205.44
  5. Step 5: Solve for x
    x = 230,382,918,205.44/591,905.60
  6. Step 6: Final answer
    x = 389,222.40

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Half scale
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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.