Home / 403,935.92-557,406.20-222,637.88

Finding the Fourth Proportional to 403,935.92, 557,406.20 and 222,637.88

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Solution

The fourth proportional to 403,935.92, 557,406.20 and 222,637.88 is: 307,226.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,935.92 : 557,406.20 = 222,637.88 : x
  2. Step 2: Convert to fraction form
    403,935.92/557,406.20 = 222,637.88/x
  3. Step 3: Cross multiply
    403,935.92x = 557,406.20 × 222,637.88
  4. Step 4: Simplify right side
    403,935.92x = 124,099,734,666.86
  5. Step 5: Solve for x
    x = 124,099,734,666.86/403,935.92
  6. Step 6: Final answer
    x = 307,226.29

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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.