Home / 327,578.36-491,644.02-226,317.56

Finding the Fourth Proportional to 327,578.36, 491,644.02 and 226,317.56

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Solution

The fourth proportional to 327,578.36, 491,644.02 and 226,317.56 is: 339,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,578.36 : 491,644.02 = 226,317.56 : x
  2. Step 2: Convert to fraction form
    327,578.36/491,644.02 = 226,317.56/x
  3. Step 3: Cross multiply
    327,578.36x = 491,644.02 × 226,317.56
  4. Step 4: Simplify right side
    327,578.36x = 111,267,674,994.99
  5. Step 5: Solve for x
    x = 111,267,674,994.99/327,578.36
  6. Step 6: Final answer
    x = 339,667.35

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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.