Home / 591,277.20-886,915.80-217,251.60

Finding the Fourth Proportional to 591,277.20, 886,915.80 and 217,251.60

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Solution

The fourth proportional to 591,277.20, 886,915.80 and 217,251.60 is: 325,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,277.20 : 886,915.80 = 217,251.60 : x
  2. Step 2: Convert to fraction form
    591,277.20/886,915.80 = 217,251.60/x
  3. Step 3: Cross multiply
    591,277.20x = 886,915.80 × 217,251.60
  4. Step 4: Simplify right side
    591,277.20x = 192,683,876,615.28
  5. Step 5: Solve for x
    x = 192,683,876,615.28/591,277.20
  6. Step 6: Final answer
    x = 325,877.40

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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.