Home / 1,206,222.74-1,664,616.30-654,961.68

Finding the Fourth Proportional to 1,206,222.74, 1,664,616.30 and 654,961.68

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Solution

The fourth proportional to 1,206,222.74, 1,664,616.30 and 654,961.68 is: 903,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,222.74 : 1,664,616.30 = 654,961.68 : x
  2. Step 2: Convert to fraction form
    1,206,222.74/1,664,616.30 = 654,961.68/x
  3. Step 3: Cross multiply
    1,206,222.74x = 1,664,616.30 × 654,961.68
  4. Step 4: Simplify right side
    1,206,222.74x = 1,090,259,888,403.38
  5. Step 5: Solve for x
    x = 1,090,259,888,403.38/1,206,222.74
  6. Step 6: Final answer
    x = 903,862.82

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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.