Home / 734,409.41-1,100,728.25-379,229.81

Finding the Fourth Proportional to 734,409.41, 1,100,728.25 and 379,229.81

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Solution

The fourth proportional to 734,409.41, 1,100,728.25 and 379,229.81 is: 568,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,409.41 : 1,100,728.25 = 379,229.81 : x
  2. Step 2: Convert to fraction form
    734,409.41/1,100,728.25 = 379,229.81/x
  3. Step 3: Cross multiply
    734,409.41x = 1,100,728.25 × 379,229.81
  4. Step 4: Simplify right side
    734,409.41x = 417,428,963,212.98
  5. Step 5: Solve for x
    x = 417,428,963,212.98/734,409.41
  6. Step 6: Final answer
    x = 568,387.27

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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.