Home / 403,435.07-605,247.38-226,064.51

Finding the Fourth Proportional to 403,435.07, 605,247.38 and 226,064.51

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Solution

The fourth proportional to 403,435.07, 605,247.38 and 226,064.51 is: 339,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,435.07 : 605,247.38 = 226,064.51 : x
  2. Step 2: Convert to fraction form
    403,435.07/605,247.38 = 226,064.51/x
  3. Step 3: Cross multiply
    403,435.07x = 605,247.38 × 226,064.51
  4. Step 4: Simplify right side
    403,435.07x = 136,824,948,231.92
  5. Step 5: Solve for x
    x = 136,824,948,231.92/403,435.07
  6. Step 6: Final answer
    x = 339,149.87

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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.