Home / 1,198,051.20-1,653,318.66-654,190.78

Finding the Fourth Proportional to 1,198,051.20, 1,653,318.66 and 654,190.78

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Solution

The fourth proportional to 1,198,051.20, 1,653,318.66 and 654,190.78 is: 902,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,051.20 : 1,653,318.66 = 654,190.78 : x
  2. Step 2: Convert to fraction form
    1,198,051.20/1,653,318.66 = 654,190.78/x
  3. Step 3: Cross multiply
    1,198,051.20x = 1,653,318.66 × 654,190.78
  4. Step 4: Simplify right side
    1,198,051.20x = 1,081,585,823,773.95
  5. Step 5: Solve for x
    x = 1,081,585,823,773.95/1,198,051.20
  6. Step 6: Final answer
    x = 902,787.65

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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.