Home / 404,067.13-557,637.69-222,778.74

Finding the Fourth Proportional to 404,067.13, 557,637.69 and 222,778.74

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Solution

The fourth proportional to 404,067.13, 557,637.69 and 222,778.74 is: 307,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,067.13 : 557,637.69 = 222,778.74 : x
  2. Step 2: Convert to fraction form
    404,067.13/557,637.69 = 222,778.74/x
  3. Step 3: Cross multiply
    404,067.13x = 557,637.69 × 222,778.74
  4. Step 4: Simplify right side
    404,067.13x = 124,229,819,166.52
  5. Step 5: Solve for x
    x = 124,229,819,166.52/404,067.13
  6. Step 6: Final answer
    x = 307,448.47

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1.5x scale

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.