Home / 667,563.84-1,001,345.56-443,362.04

Finding the Fourth Proportional to 667,563.84, 1,001,345.56 and 443,362.04

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Solution

The fourth proportional to 667,563.84, 1,001,345.56 and 443,362.04 is: 665,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,563.84 : 1,001,345.56 = 443,362.04 : x
  2. Step 2: Convert to fraction form
    667,563.84/1,001,345.56 = 443,362.04/x
  3. Step 3: Cross multiply
    667,563.84x = 1,001,345.56 × 443,362.04
  4. Step 4: Simplify right side
    667,563.84x = 443,958,610,226.54
  5. Step 5: Solve for x
    x = 443,958,610,226.54/667,563.84
  6. Step 6: Final answer
    x = 665,042.93

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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.