Home / 1,266,240.36-1,747,578.06-722,251.56

Finding the Fourth Proportional to 1,266,240.36, 1,747,578.06 and 722,251.56

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Solution

The fourth proportional to 1,266,240.36, 1,747,578.06 and 722,251.56 is: 996,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,240.36 : 1,747,578.06 = 722,251.56 : x
  2. Step 2: Convert to fraction form
    1,266,240.36/1,747,578.06 = 722,251.56/x
  3. Step 3: Cross multiply
    1,266,240.36x = 1,747,578.06 × 722,251.56
  4. Step 4: Simplify right side
    1,266,240.36x = 1,262,190,980,056.77
  5. Step 5: Solve for x
    x = 1,262,190,980,056.77/1,266,240.36
  6. Step 6: Final answer
    x = 996,802.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.