Home / 722,108.48-1,082,690.40-682,456.64

Finding the Fourth Proportional to 722,108.48, 1,082,690.40 and 682,456.64

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Solution

The fourth proportional to 722,108.48, 1,082,690.40 and 682,456.64 is: 1,023,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,108.48 : 1,082,690.40 = 682,456.64 : x
  2. Step 2: Convert to fraction form
    722,108.48/1,082,690.40 = 682,456.64/x
  3. Step 3: Cross multiply
    722,108.48x = 1,082,690.40 × 682,456.64
  4. Step 4: Simplify right side
    722,108.48x = 738,889,252,544.26
  5. Step 5: Solve for x
    x = 738,889,252,544.26/722,108.48
  6. Step 6: Final answer
    x = 1,023,238.58

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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.