Home / 1,198,280.74-1,653,638.61-682,009.30

Finding the Fourth Proportional to 1,198,280.74, 1,653,638.61 and 682,009.30

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Solution

The fourth proportional to 1,198,280.74, 1,653,638.61 and 682,009.30 is: 941,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,280.74 : 1,653,638.61 = 682,009.30 : x
  2. Step 2: Convert to fraction form
    1,198,280.74/1,653,638.61 = 682,009.30/x
  3. Step 3: Cross multiply
    1,198,280.74x = 1,653,638.61 × 682,009.30
  4. Step 4: Simplify right side
    1,198,280.74x = 1,127,796,910,859.07
  5. Step 5: Solve for x
    x = 1,127,796,910,859.07/1,198,280.74
  6. Step 6: Final answer
    x = 941,179.20

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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.