Home / 886,043.80-1,328,936.10-254,891.80

Finding the Fourth Proportional to 886,043.80, 1,328,936.10 and 254,891.80

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Solution

The fourth proportional to 886,043.80, 1,328,936.10 and 254,891.80 is: 382,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,043.80 : 1,328,936.10 = 254,891.80 : x
  2. Step 2: Convert to fraction form
    886,043.80/1,328,936.10 = 254,891.80/x
  3. Step 3: Cross multiply
    886,043.80x = 1,328,936.10 × 254,891.80
  4. Step 4: Simplify right side
    886,043.80x = 338,734,914,613.98
  5. Step 5: Solve for x
    x = 338,734,914,613.98/886,043.80
  6. Step 6: Final answer
    x = 382,300.42

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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.