Home / 467,842.50-645,583.41-276,822.42

Finding the Fourth Proportional to 467,842.50, 645,583.41 and 276,822.42

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Solution

The fourth proportional to 467,842.50, 645,583.41 and 276,822.42 is: 381,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,842.50 : 645,583.41 = 276,822.42 : x
  2. Step 2: Convert to fraction form
    467,842.50/645,583.41 = 276,822.42/x
  3. Step 3: Cross multiply
    467,842.50x = 645,583.41 × 276,822.42
  4. Step 4: Simplify right side
    467,842.50x = 178,711,961,868.05
  5. Step 5: Solve for x
    x = 178,711,961,868.05/467,842.50
  6. Step 6: Final answer
    x = 381,991.72

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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.