Home / 404,287.28-557,919.08-223,004.08

Finding the Fourth Proportional to 404,287.28, 557,919.08 and 223,004.08

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Solution

The fourth proportional to 404,287.28, 557,919.08 and 223,004.08 is: 307,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,287.28 : 557,919.08 = 223,004.08 : x
  2. Step 2: Convert to fraction form
    404,287.28/557,919.08 = 223,004.08/x
  3. Step 3: Cross multiply
    404,287.28x = 557,919.08 × 223,004.08
  4. Step 4: Simplify right side
    404,287.28x = 124,418,231,149.85
  5. Step 5: Solve for x
    x = 124,418,231,149.85/404,287.28
  6. Step 6: Final answer
    x = 307,747.08

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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.