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Finding the Fourth Proportional to 1,161,846.53, 1,743,065.46 and 682,479.71

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Solution

The fourth proportional to 1,161,846.53, 1,743,065.46 and 682,479.71 is: 1,023,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,846.53 : 1,743,065.46 = 682,479.71 : x
  2. Step 2: Convert to fraction form
    1,161,846.53/1,743,065.46 = 682,479.71/x
  3. Step 3: Cross multiply
    1,161,846.53x = 1,743,065.46 × 682,479.71
  4. Step 4: Simplify right side
    1,161,846.53x = 1,189,606,809,651.82
  5. Step 5: Solve for x
    x = 1,189,606,809,651.82/1,161,846.53
  6. Step 6: Final answer
    x = 1,023,893.24

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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.