Home / 591,271.20-886,906.80-217,245.60

Finding the Fourth Proportional to 591,271.20, 886,906.80 and 217,245.60

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Solution

The fourth proportional to 591,271.20, 886,906.80 and 217,245.60 is: 325,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,271.20 : 886,906.80 = 217,245.60 : x
  2. Step 2: Convert to fraction form
    591,271.20/886,906.80 = 217,245.60/x
  3. Step 3: Cross multiply
    591,271.20x = 886,906.80 × 217,245.60
  4. Step 4: Simplify right side
    591,271.20x = 192,676,599,910.08
  5. Step 5: Solve for x
    x = 192,676,599,910.08/591,271.20
  6. Step 6: Final answer
    x = 325,868.40

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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.