Home / 403,753.32-557,176.82-222,461.06

Finding the Fourth Proportional to 403,753.32, 557,176.82 and 222,461.06

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Solution

The fourth proportional to 403,753.32, 557,176.82 and 222,461.06 is: 306,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,753.32 : 557,176.82 = 222,461.06 : x
  2. Step 2: Convert to fraction form
    403,753.32/557,176.82 = 222,461.06/x
  3. Step 3: Cross multiply
    403,753.32x = 557,176.82 × 222,461.06
  4. Step 4: Simplify right side
    403,753.32x = 123,950,142,086.44
  5. Step 5: Solve for x
    x = 123,950,142,086.44/403,753.32
  6. Step 6: Final answer
    x = 306,994.73

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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.