Home / 1,231,908.94-1,847,542.65-521,571.34

Finding the Fourth Proportional to 1,231,908.94, 1,847,542.65 and 521,571.34

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Solution

The fourth proportional to 1,231,908.94, 1,847,542.65 and 521,571.34 is: 782,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,908.94 : 1,847,542.65 = 521,571.34 : x
  2. Step 2: Convert to fraction form
    1,231,908.94/1,847,542.65 = 521,571.34/x
  3. Step 3: Cross multiply
    1,231,908.94x = 1,847,542.65 × 521,571.34
  4. Step 4: Simplify right side
    1,231,908.94x = 963,625,295,667.65
  5. Step 5: Solve for x
    x = 963,625,295,667.65/1,231,908.94
  6. Step 6: Final answer
    x = 782,221.21

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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.