Home / 403,922.97-557,388.54-222,636.33

Finding the Fourth Proportional to 403,922.97, 557,388.54 and 222,636.33

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Solution

The fourth proportional to 403,922.97, 557,388.54 and 222,636.33 is: 307,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,922.97 : 557,388.54 = 222,636.33 : x
  2. Step 2: Convert to fraction form
    403,922.97/557,388.54 = 222,636.33/x
  3. Step 3: Cross multiply
    403,922.97x = 557,388.54 × 222,636.33
  4. Step 4: Simplify right side
    403,922.97x = 124,094,938,929.66
  5. Step 5: Solve for x
    x = 124,094,938,929.66/403,922.97
  6. Step 6: Final answer
    x = 307,224.27

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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.