Home / 1,261,768.43-1,741,247.51-717,904.21

Finding the Fourth Proportional to 1,261,768.43, 1,741,247.51 and 717,904.21

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Solution

The fourth proportional to 1,261,768.43, 1,741,247.51 and 717,904.21 is: 990,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,768.43 : 1,741,247.51 = 717,904.21 : x
  2. Step 2: Convert to fraction form
    1,261,768.43/1,741,247.51 = 717,904.21/x
  3. Step 3: Cross multiply
    1,261,768.43x = 1,741,247.51 × 717,904.21
  4. Step 4: Simplify right side
    1,261,768.43x = 1,250,048,911,933.14
  5. Step 5: Solve for x
    x = 1,250,048,911,933.14/1,261,768.43
  6. Step 6: Final answer
    x = 990,711.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.