Home / 862,109.88-1,293,164.92-263,074.18

Finding the Fourth Proportional to 862,109.88, 1,293,164.92 and 263,074.18

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Solution

The fourth proportional to 862,109.88, 1,293,164.92 and 263,074.18 is: 394,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,109.88 : 1,293,164.92 = 263,074.18 : x
  2. Step 2: Convert to fraction form
    862,109.88/1,293,164.92 = 263,074.18/x
  3. Step 3: Cross multiply
    862,109.88x = 1,293,164.92 × 263,074.18
  4. Step 4: Simplify right side
    862,109.88x = 340,198,300,933.77
  5. Step 5: Solve for x
    x = 340,198,300,933.77/862,109.88
  6. Step 6: Final answer
    x = 394,611.30

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Double scale
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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.