Home / 599,287.20-827,016.40-331,015.20

Finding the Fourth Proportional to 599,287.20, 827,016.40 and 331,015.20

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Solution

The fourth proportional to 599,287.20, 827,016.40 and 331,015.20 is: 456,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,287.20 : 827,016.40 = 331,015.20 : x
  2. Step 2: Convert to fraction form
    599,287.20/827,016.40 = 331,015.20/x
  3. Step 3: Cross multiply
    599,287.20x = 827,016.40 × 331,015.20
  4. Step 4: Simplify right side
    599,287.20x = 273,754,999,049.28
  5. Step 5: Solve for x
    x = 273,754,999,049.28/599,287.20
  6. Step 6: Final answer
    x = 456,801.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.