Home / 591,218.80-886,828.20-236,287.60

Finding the Fourth Proportional to 591,218.80, 886,828.20 and 236,287.60

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Solution

The fourth proportional to 591,218.80, 886,828.20 and 236,287.60 is: 354,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,218.80 : 886,828.20 = 236,287.60 : x
  2. Step 2: Convert to fraction form
    591,218.80/886,828.20 = 236,287.60/x
  3. Step 3: Cross multiply
    591,218.80x = 886,828.20 × 236,287.60
  4. Step 4: Simplify right side
    591,218.80x = 209,546,506,990.32
  5. Step 5: Solve for x
    x = 209,546,506,990.32/591,218.80
  6. Step 6: Final answer
    x = 354,431.40

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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.