Home / 404,399.16-558,067.23-223,112.70

Finding the Fourth Proportional to 404,399.16, 558,067.23 and 223,112.70

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Solution

The fourth proportional to 404,399.16, 558,067.23 and 223,112.70 is: 307,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,399.16 : 558,067.23 = 223,112.70 : x
  2. Step 2: Convert to fraction form
    404,399.16/558,067.23 = 223,112.70/x
  3. Step 3: Cross multiply
    404,399.16x = 558,067.23 × 223,112.70
  4. Step 4: Simplify right side
    404,399.16x = 124,511,886,466.82
  5. Step 5: Solve for x
    x = 124,511,886,466.82/404,399.16
  6. Step 6: Final answer
    x = 307,893.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.