Home / 403,067.14-604,834.39-203,403.15

Finding the Fourth Proportional to 403,067.14, 604,834.39 and 203,403.15

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Solution

The fourth proportional to 403,067.14, 604,834.39 and 203,403.15 is: 305,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,067.14 : 604,834.39 = 203,403.15 : x
  2. Step 2: Convert to fraction form
    403,067.14/604,834.39 = 203,403.15/x
  3. Step 3: Cross multiply
    403,067.14x = 604,834.39 × 203,403.15
  4. Step 4: Simplify right side
    403,067.14x = 123,025,220,408.58
  5. Step 5: Solve for x
    x = 123,025,220,408.58/403,067.14
  6. Step 6: Final answer
    x = 305,222.65

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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.