Home / 1,728,542.31-2,591,983.63-816,965.48

Finding the Fourth Proportional to 1,728,542.31, 2,591,983.63 and 816,965.48

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Solution

The fourth proportional to 1,728,542.31, 2,591,983.63 and 816,965.48 is: 1,225,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,542.31 : 2,591,983.63 = 816,965.48 : x
  2. Step 2: Convert to fraction form
    1,728,542.31/2,591,983.63 = 816,965.48/x
  3. Step 3: Cross multiply
    1,728,542.31x = 2,591,983.63 × 816,965.48
  4. Step 4: Simplify right side
    1,728,542.31x = 2,117,561,150,435.09
  5. Step 5: Solve for x
    x = 2,117,561,150,435.09/1,728,542.31
  6. Step 6: Final answer
    x = 1,225,056.01

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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.