Home / 726,647.88-1,088,396.46-351,885

Finding the Fourth Proportional to 726,647.88, 1,088,396.46 and 351,885

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Solution

The fourth proportional to 726,647.88, 1,088,396.46 and 351,885 is: 527,064.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,647.88 : 1,088,396.46 = 351,885 : x
  2. Step 2: Convert to fraction form
    726,647.88/1,088,396.46 = 351,885/x
  3. Step 3: Cross multiply
    726,647.88x = 1,088,396.46 × 351,885
  4. Step 4: Simplify right side
    726,647.88x = 382,990,388,327.10
  5. Step 5: Solve for x
    x = 382,990,388,327.10/726,647.88
  6. Step 6: Final answer
    x = 527,064.62

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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.