Home / 984,186.80-1,476,280.20-859,770.80

Finding the Fourth Proportional to 984,186.80, 1,476,280.20 and 859,770.80

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Solution

The fourth proportional to 984,186.80, 1,476,280.20 and 859,770.80 is: 1,289,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,186.80 : 1,476,280.20 = 859,770.80 : x
  2. Step 2: Convert to fraction form
    984,186.80/1,476,280.20 = 859,770.80/x
  3. Step 3: Cross multiply
    984,186.80x = 1,476,280.20 × 859,770.80
  4. Step 4: Simplify right side
    984,186.80x = 1,269,262,608,578.16
  5. Step 5: Solve for x
    x = 1,269,262,608,578.16/984,186.80
  6. Step 6: Final answer
    x = 1,289,656.20

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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.