Home / 729,642.32-1,093,989.24-303,061.52

Finding the Fourth Proportional to 729,642.32, 1,093,989.24 and 303,061.52

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Solution

The fourth proportional to 729,642.32, 1,093,989.24 and 303,061.52 is: 454,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,642.32 : 1,093,989.24 = 303,061.52 : x
  2. Step 2: Convert to fraction form
    729,642.32/1,093,989.24 = 303,061.52/x
  3. Step 3: Cross multiply
    729,642.32x = 1,093,989.24 × 303,061.52
  4. Step 4: Simplify right side
    729,642.32x = 331,546,041,938.05
  5. Step 5: Solve for x
    x = 331,546,041,938.05/729,642.32
  6. Step 6: Final answer
    x = 454,395.30

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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.