Home / 734,409.47-1,100,728.33-379,229.87

Finding the Fourth Proportional to 734,409.47, 1,100,728.33 and 379,229.87

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Solution

The fourth proportional to 734,409.47, 1,100,728.33 and 379,229.87 is: 568,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,409.47 : 1,100,728.33 = 379,229.87 : x
  2. Step 2: Convert to fraction form
    734,409.47/1,100,728.33 = 379,229.87/x
  3. Step 3: Cross multiply
    734,409.47x = 1,100,728.33 × 379,229.87
  4. Step 4: Simplify right side
    734,409.47x = 417,429,063,294.96
  5. Step 5: Solve for x
    x = 417,429,063,294.96/734,409.47
  6. Step 6: Final answer
    x = 568,387.36

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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.