Home / 839,974.59-1,259,611.55-263,449.33

Finding the Fourth Proportional to 839,974.59, 1,259,611.55 and 263,449.33

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Solution

The fourth proportional to 839,974.59, 1,259,611.55 and 263,449.33 is: 395,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,974.59 : 1,259,611.55 = 263,449.33 : x
  2. Step 2: Convert to fraction form
    839,974.59/1,259,611.55 = 263,449.33/x
  3. Step 3: Cross multiply
    839,974.59x = 1,259,611.55 × 263,449.33
  4. Step 4: Simplify right side
    839,974.59x = 331,843,819,566.39
  5. Step 5: Solve for x
    x = 331,843,819,566.39/839,974.59
  6. Step 6: Final answer
    x = 395,064.12

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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.