Home / 1,728,504.40-2,591,527.80-663,134.80

Finding the Fourth Proportional to 1,728,504.40, 2,591,527.80 and 663,134.80

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Solution

The fourth proportional to 1,728,504.40, 2,591,527.80 and 663,134.80 is: 994,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,504.40 : 2,591,527.80 = 663,134.80 : x
  2. Step 2: Convert to fraction form
    1,728,504.40/2,591,527.80 = 663,134.80/x
  3. Step 3: Cross multiply
    1,728,504.40x = 2,591,527.80 × 663,134.80
  4. Step 4: Simplify right side
    1,728,504.40x = 1,718,532,269,347.44
  5. Step 5: Solve for x
    x = 1,718,532,269,347.44/1,728,504.40
  6. Step 6: Final answer
    x = 994,230.78

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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.