Home / 925,684.96-1,388,028.17-419,969.98

Finding the Fourth Proportional to 925,684.96, 1,388,028.17 and 419,969.98

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Solution

The fourth proportional to 925,684.96, 1,388,028.17 and 419,969.98 is: 629,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,684.96 : 1,388,028.17 = 419,969.98 : x
  2. Step 2: Convert to fraction form
    925,684.96/1,388,028.17 = 419,969.98/x
  3. Step 3: Cross multiply
    925,684.96x = 1,388,028.17 × 419,969.98
  4. Step 4: Simplify right side
    925,684.96x = 582,930,163,216.97
  5. Step 5: Solve for x
    x = 582,930,163,216.97/925,684.96
  6. Step 6: Final answer
    x = 629,728.46

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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.