Home / 1,231,201.71-1,846,986.93-432,342.45

Finding the Fourth Proportional to 1,231,201.71, 1,846,986.93 and 432,342.45

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Solution

The fourth proportional to 1,231,201.71, 1,846,986.93 and 432,342.45 is: 648,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,201.71 : 1,846,986.93 = 432,342.45 : x
  2. Step 2: Convert to fraction form
    1,231,201.71/1,846,986.93 = 432,342.45/x
  3. Step 3: Cross multiply
    1,231,201.71x = 1,846,986.93 × 432,342.45
  4. Step 4: Simplify right side
    1,231,201.71x = 798,530,854,434.18
  5. Step 5: Solve for x
    x = 798,530,854,434.18/1,231,201.71
  6. Step 6: Final answer
    x = 648,578.42

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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.