Home / 677,517.33-1,015,954.07-393,295.01

Finding the Fourth Proportional to 677,517.33, 1,015,954.07 and 393,295.01

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Solution

The fourth proportional to 677,517.33, 1,015,954.07 and 393,295.01 is: 589,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,517.33 : 1,015,954.07 = 393,295.01 : x
  2. Step 2: Convert to fraction form
    677,517.33/1,015,954.07 = 393,295.01/x
  3. Step 3: Cross multiply
    677,517.33x = 1,015,954.07 × 393,295.01
  4. Step 4: Simplify right side
    677,517.33x = 399,569,659,073.95
  5. Step 5: Solve for x
    x = 399,569,659,073.95/677,517.33
  6. Step 6: Final answer
    x = 589,755.63

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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.