Home / 591,239.20-886,858.80-217,213.60

Finding the Fourth Proportional to 591,239.20, 886,858.80 and 217,213.60

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Solution

The fourth proportional to 591,239.20, 886,858.80 and 217,213.60 is: 325,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,239.20 : 886,858.80 = 217,213.60 : x
  2. Step 2: Convert to fraction form
    591,239.20/886,858.80 = 217,213.60/x
  3. Step 3: Cross multiply
    591,239.20x = 886,858.80 × 217,213.60
  4. Step 4: Simplify right side
    591,239.20x = 192,637,792,639.68
  5. Step 5: Solve for x
    x = 192,637,792,639.68/591,239.20
  6. Step 6: Final answer
    x = 325,820.40

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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.