Home / 403,973.01-557,486.57-222,691.44

Finding the Fourth Proportional to 403,973.01, 557,486.57 and 222,691.44

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Solution

The fourth proportional to 403,973.01, 557,486.57 and 222,691.44 is: 307,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,973.01 : 557,486.57 = 222,691.44 : x
  2. Step 2: Convert to fraction form
    403,973.01/557,486.57 = 222,691.44/x
  3. Step 3: Cross multiply
    403,973.01x = 557,486.57 × 222,691.44
  4. Step 4: Simplify right side
    403,973.01x = 124,147,485,940.50
  5. Step 5: Solve for x
    x = 124,147,485,940.50/403,973.01
  6. Step 6: Final answer
    x = 307,316.29

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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.