Home / 1,728,419.40-2,591,165.12-716,910.03

Finding the Fourth Proportional to 1,728,419.40, 2,591,165.12 and 716,910.03

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Solution

The fourth proportional to 1,728,419.40, 2,591,165.12 and 716,910.03 is: 1,074,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,419.40 : 2,591,165.12 = 716,910.03 : x
  2. Step 2: Convert to fraction form
    1,728,419.40/2,591,165.12 = 716,910.03/x
  3. Step 3: Cross multiply
    1,728,419.40x = 2,591,165.12 × 716,910.03
  4. Step 4: Simplify right side
    1,728,419.40x = 1,857,632,260,329.60
  5. Step 5: Solve for x
    x = 1,857,632,260,329.60/1,728,419.40
  6. Step 6: Final answer
    x = 1,074,757.82

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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.