Home / 734,449.20-1,101,868.20-261,085.20

Finding the Fourth Proportional to 734,449.20, 1,101,868.20 and 261,085.20

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Solution

The fourth proportional to 734,449.20, 1,101,868.20 and 261,085.20 is: 391,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,449.20 : 1,101,868.20 = 261,085.20 : x
  2. Step 2: Convert to fraction form
    734,449.20/1,101,868.20 = 261,085.20/x
  3. Step 3: Cross multiply
    734,449.20x = 1,101,868.20 × 261,085.20
  4. Step 4: Simplify right side
    734,449.20x = 287,681,479,370.64
  5. Step 5: Solve for x
    x = 287,681,479,370.64/734,449.20
  6. Step 6: Final answer
    x = 391,696.91

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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.