Home / 403,434.07-605,245.87-226,063.51

Finding the Fourth Proportional to 403,434.07, 605,245.87 and 226,063.51

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Solution

The fourth proportional to 403,434.07, 605,245.87 and 226,063.51 is: 339,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,434.07 : 605,245.87 = 226,063.51 : x
  2. Step 2: Convert to fraction form
    403,434.07/605,245.87 = 226,063.51/x
  3. Step 3: Cross multiply
    403,434.07x = 605,245.87 × 226,063.51
  4. Step 4: Simplify right side
    403,434.07x = 136,824,005,785.20
  5. Step 5: Solve for x
    x = 136,824,005,785.20/403,434.07
  6. Step 6: Final answer
    x = 339,148.37

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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.