Home / 1,991,096.67-2,986,636.46-551,775.95

Finding the Fourth Proportional to 1,991,096.67, 2,986,636.46 and 551,775.95

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Solution

The fourth proportional to 1,991,096.67, 2,986,636.46 and 551,775.95 is: 827,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,096.67 : 2,986,636.46 = 551,775.95 : x
  2. Step 2: Convert to fraction form
    1,991,096.67/2,986,636.46 = 551,775.95/x
  3. Step 3: Cross multiply
    1,991,096.67x = 2,986,636.46 × 551,775.95
  4. Step 4: Simplify right side
    1,991,096.67x = 1,647,954,152,329.08
  5. Step 5: Solve for x
    x = 1,647,954,152,329.08/1,991,096.67
  6. Step 6: Final answer
    x = 827,661.55

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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.