Home / 677,734.43-1,015,940.68-322,653.11

Finding the Fourth Proportional to 677,734.43, 1,015,940.68 and 322,653.11

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Solution

The fourth proportional to 677,734.43, 1,015,940.68 and 322,653.11 is: 483,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,734.43 : 1,015,940.68 = 322,653.11 : x
  2. Step 2: Convert to fraction form
    677,734.43/1,015,940.68 = 322,653.11/x
  3. Step 3: Cross multiply
    677,734.43x = 1,015,940.68 × 322,653.11
  4. Step 4: Simplify right side
    677,734.43x = 327,796,413,284.55
  5. Step 5: Solve for x
    x = 327,796,413,284.55/677,734.43
  6. Step 6: Final answer
    x = 483,664.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.