Home / 467,842.25-645,583.07-276,822.17

Finding the Fourth Proportional to 467,842.25, 645,583.07 and 276,822.17

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Solution

The fourth proportional to 467,842.25, 645,583.07 and 276,822.17 is: 381,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,842.25 : 645,583.07 = 276,822.17 : x
  2. Step 2: Convert to fraction form
    467,842.25/645,583.07 = 276,822.17/x
  3. Step 3: Cross multiply
    467,842.25x = 645,583.07 × 276,822.17
  4. Step 4: Simplify right side
    467,842.25x = 178,711,704,968.55
  5. Step 5: Solve for x
    x = 178,711,704,968.55/467,842.25
  6. Step 6: Final answer
    x = 381,991.38

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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.