Home / 403,822.82-557,307.96-222,571.64

Finding the Fourth Proportional to 403,822.82, 557,307.96 and 222,571.64

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Solution

The fourth proportional to 403,822.82, 557,307.96 and 222,571.64 is: 307,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,822.82 : 557,307.96 = 222,571.64 : x
  2. Step 2: Convert to fraction form
    403,822.82/557,307.96 = 222,571.64/x
  3. Step 3: Cross multiply
    403,822.82x = 557,307.96 × 222,571.64
  4. Step 4: Simplify right side
    403,822.82x = 124,040,946,642.25
  5. Step 5: Solve for x
    x = 124,040,946,642.25/403,822.82
  6. Step 6: Final answer
    x = 307,166.76

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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.