Home / 403,940.97-557,413.38-222,654.33

Finding the Fourth Proportional to 403,940.97, 557,413.38 and 222,654.33

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Solution

The fourth proportional to 403,940.97, 557,413.38 and 222,654.33 is: 307,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,940.97 : 557,413.38 = 222,654.33 : x
  2. Step 2: Convert to fraction form
    403,940.97/557,413.38 = 222,654.33/x
  3. Step 3: Cross multiply
    403,940.97x = 557,413.38 × 222,654.33
  4. Step 4: Simplify right side
    403,940.97x = 124,110,502,656.94
  5. Step 5: Solve for x
    x = 124,110,502,656.94/403,940.97
  6. Step 6: Final answer
    x = 307,249.11

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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.