Home / 1,261,817.58-1,741,407.66-717,976.29

Finding the Fourth Proportional to 1,261,817.58, 1,741,407.66 and 717,976.29

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Solution

The fourth proportional to 1,261,817.58, 1,741,407.66 and 717,976.29 is: 990,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,817.58 : 1,741,407.66 = 717,976.29 : x
  2. Step 2: Convert to fraction form
    1,261,817.58/1,741,407.66 = 717,976.29/x
  3. Step 3: Cross multiply
    1,261,817.58x = 1,741,407.66 × 717,976.29
  4. Step 4: Simplify right side
    1,261,817.58x = 1,250,289,411,104.38
  5. Step 5: Solve for x
    x = 1,250,289,411,104.38/1,261,817.58
  6. Step 6: Final answer
    x = 990,863.84

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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.