Home / 1,728,772.88-2,591,816.31-1,120,275.77

Finding the Fourth Proportional to 1,728,772.88, 2,591,816.31 and 1,120,275.77

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Solution

The fourth proportional to 1,728,772.88, 2,591,816.31 and 1,120,275.77 is: 1,679,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,772.88 : 2,591,816.31 = 1,120,275.77 : x
  2. Step 2: Convert to fraction form
    1,728,772.88/2,591,816.31 = 1,120,275.77/x
  3. Step 3: Cross multiply
    1,728,772.88x = 2,591,816.31 × 1,120,275.77
  4. Step 4: Simplify right side
    1,728,772.88x = 2,903,548,999,424.73
  5. Step 5: Solve for x
    x = 2,903,548,999,424.73/1,728,772.88
  6. Step 6: Final answer
    x = 1,679,543.36

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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.