Home / 403,822.54-557,278.84-222,540.96

Finding the Fourth Proportional to 403,822.54, 557,278.84 and 222,540.96

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Solution

The fourth proportional to 403,822.54, 557,278.84 and 222,540.96 is: 307,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,822.54 : 557,278.84 = 222,540.96 : x
  2. Step 2: Convert to fraction form
    403,822.54/557,278.84 = 222,540.96/x
  3. Step 3: Cross multiply
    403,822.54x = 557,278.84 × 222,540.96
  4. Step 4: Simplify right side
    403,822.54x = 124,017,368,041.29
  5. Step 5: Solve for x
    x = 124,017,368,041.29/403,822.54
  6. Step 6: Final answer
    x = 307,108.58

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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.