Home / 1,212,470.33-1,673,220.78-668,625.39

Finding the Fourth Proportional to 1,212,470.33, 1,673,220.78 and 668,625.39

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Solution

The fourth proportional to 1,212,470.33, 1,673,220.78 and 668,625.39 is: 922,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,470.33 : 1,673,220.78 = 668,625.39 : x
  2. Step 2: Convert to fraction form
    1,212,470.33/1,673,220.78 = 668,625.39/x
  3. Step 3: Cross multiply
    1,212,470.33x = 1,673,220.78 × 668,625.39
  4. Step 4: Simplify right side
    1,212,470.33x = 1,118,757,896,583.60
  5. Step 5: Solve for x
    x = 1,118,757,896,583.60/1,212,470.33
  6. Step 6: Final answer
    x = 922,709.51

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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.