Home / 1,311,715.44-1,967,643.48-413,227.48

Finding the Fourth Proportional to 1,311,715.44, 1,967,643.48 and 413,227.48

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Solution

The fourth proportional to 1,311,715.44, 1,967,643.48 and 413,227.48 is: 619,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,715.44 : 1,967,643.48 = 413,227.48 : x
  2. Step 2: Convert to fraction form
    1,311,715.44/1,967,643.48 = 413,227.48/x
  3. Step 3: Cross multiply
    1,311,715.44x = 1,967,643.48 × 413,227.48
  4. Step 4: Simplify right side
    1,311,715.44x = 813,084,356,778.83
  5. Step 5: Solve for x
    x = 813,084,356,778.83/1,311,715.44
  6. Step 6: Final answer
    x = 619,863.37

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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.