Home / 403,885.22-557,359.30-222,597.30

Finding the Fourth Proportional to 403,885.22, 557,359.30 and 222,597.30

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Solution

The fourth proportional to 403,885.22, 557,359.30 and 222,597.30 is: 307,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885.22 : 557,359.30 = 222,597.30 : x
  2. Step 2: Convert to fraction form
    403,885.22/557,359.30 = 222,597.30/x
  3. Step 3: Cross multiply
    403,885.22x = 557,359.30 × 222,597.30
  4. Step 4: Simplify right side
    403,885.22x = 124,066,675,309.89
  5. Step 5: Solve for x
    x = 124,066,675,309.89/403,885.22
  6. Step 6: Final answer
    x = 307,183.00

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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.