Home / 403,936.05-557,406.39-222,638.01

Finding the Fourth Proportional to 403,936.05, 557,406.39 and 222,638.01

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Solution

The fourth proportional to 403,936.05, 557,406.39 and 222,638.01 is: 307,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,936.05 : 557,406.39 = 222,638.01 : x
  2. Step 2: Convert to fraction form
    403,936.05/557,406.39 = 222,638.01/x
  3. Step 3: Cross multiply
    403,936.05x = 557,406.39 × 222,638.01
  4. Step 4: Simplify right side
    403,936.05x = 124,099,849,430.88
  5. Step 5: Solve for x
    x = 124,099,849,430.88/403,936.05
  6. Step 6: Final answer
    x = 307,226.48

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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.