Home / 538,365.24-807,884.55-218,517.10

Finding the Fourth Proportional to 538,365.24, 807,884.55 and 218,517.10

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Solution

The fourth proportional to 538,365.24, 807,884.55 and 218,517.10 is: 327,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,365.24 : 807,884.55 = 218,517.10 : x
  2. Step 2: Convert to fraction form
    538,365.24/807,884.55 = 218,517.10/x
  3. Step 3: Cross multiply
    538,365.24x = 807,884.55 × 218,517.10
  4. Step 4: Simplify right side
    538,365.24x = 176,536,586,981.09
  5. Step 5: Solve for x
    x = 176,536,586,981.09/538,365.24
  6. Step 6: Final answer
    x = 327,912.31

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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.