Home / 403,639.50-557,022.66-233,972.04

Finding the Fourth Proportional to 403,639.50, 557,022.66 and 233,972.04

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Solution

The fourth proportional to 403,639.50, 557,022.66 and 233,972.04 is: 322,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,639.50 : 557,022.66 = 233,972.04 : x
  2. Step 2: Convert to fraction form
    403,639.50/557,022.66 = 233,972.04/x
  3. Step 3: Cross multiply
    403,639.50x = 557,022.66 × 233,972.04
  4. Step 4: Simplify right side
    403,639.50x = 130,327,728,086.43
  5. Step 5: Solve for x
    x = 130,327,728,086.43/403,639.50
  6. Step 6: Final answer
    x = 322,881.50

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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.