Home / 403,843.15-557,300.96-222,556.51

Finding the Fourth Proportional to 403,843.15, 557,300.96 and 222,556.51

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Solution

The fourth proportional to 403,843.15, 557,300.96 and 222,556.51 is: 307,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,843.15 : 557,300.96 = 222,556.51 : x
  2. Step 2: Convert to fraction form
    403,843.15/557,300.96 = 222,556.51/x
  3. Step 3: Cross multiply
    403,843.15x = 557,300.96 × 222,556.51
  4. Step 4: Simplify right side
    403,843.15x = 124,030,955,564.47
  5. Step 5: Solve for x
    x = 124,030,955,564.47/403,843.15
  6. Step 6: Final answer
    x = 307,126.56

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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.