Home / 1,212,469.56-1,673,215.92-668,625.84

Finding the Fourth Proportional to 1,212,469.56, 1,673,215.92 and 668,625.84

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Solution

The fourth proportional to 1,212,469.56, 1,673,215.92 and 668,625.84 is: 922,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,469.56 : 1,673,215.92 = 668,625.84 : x
  2. Step 2: Convert to fraction form
    1,212,469.56/1,673,215.92 = 668,625.84/x
  3. Step 3: Cross multiply
    1,212,469.56x = 1,673,215.92 × 668,625.84
  4. Step 4: Simplify right side
    1,212,469.56x = 1,118,755,400,011.37
  5. Step 5: Solve for x
    x = 1,118,755,400,011.37/1,212,469.56
  6. Step 6: Final answer
    x = 922,708.03

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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.