Home / 1,279,296.88-1,921,232.48-1,227,866.64

Finding the Fourth Proportional to 1,279,296.88, 1,921,232.48 and 1,227,866.64

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Solution

The fourth proportional to 1,279,296.88, 1,921,232.48 and 1,227,866.64 is: 1,843,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,296.88 : 1,921,232.48 = 1,227,866.64 : x
  2. Step 2: Convert to fraction form
    1,279,296.88/1,921,232.48 = 1,227,866.64/x
  3. Step 3: Cross multiply
    1,279,296.88x = 1,921,232.48 × 1,227,866.64
  4. Step 4: Simplify right side
    1,279,296.88x = 2,359,017,269,876.47
  5. Step 5: Solve for x
    x = 2,359,017,269,876.47/1,279,296.88
  6. Step 6: Final answer
    x = 1,843,995.17

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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.