Home / 694,173.88-1,040,998.02-378,458.92

Finding the Fourth Proportional to 694,173.88, 1,040,998.02 and 378,458.92

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Solution

The fourth proportional to 694,173.88, 1,040,998.02 and 378,458.92 is: 567,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,173.88 : 1,040,998.02 = 378,458.92 : x
  2. Step 2: Convert to fraction form
    694,173.88/1,040,998.02 = 378,458.92/x
  3. Step 3: Cross multiply
    694,173.88x = 1,040,998.02 × 378,458.92
  4. Step 4: Simplify right side
    694,173.88x = 393,974,986,371.34
  5. Step 5: Solve for x
    x = 393,974,986,371.34/694,173.88
  6. Step 6: Final answer
    x = 567,545.10

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1.5x scale

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.