Home / 1,202,645.54-1,659,579.96-658,673

Finding the Fourth Proportional to 1,202,645.54, 1,659,579.96 and 658,673

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Solution

The fourth proportional to 1,202,645.54, 1,659,579.96 and 658,673 is: 908,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,645.54 : 1,659,579.96 = 658,673 : x
  2. Step 2: Convert to fraction form
    1,202,645.54/1,659,579.96 = 658,673/x
  3. Step 3: Cross multiply
    1,202,645.54x = 1,659,579.96 × 658,673
  4. Step 4: Simplify right side
    1,202,645.54x = 1,093,120,510,993.08
  5. Step 5: Solve for x
    x = 1,093,120,510,993.08/1,202,645.54
  6. Step 6: Final answer
    x = 908,929.92

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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.