Home / 1,227,868.38-1,694,510.61-684,003.51

Finding the Fourth Proportional to 1,227,868.38, 1,694,510.61 and 684,003.51

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Solution

The fourth proportional to 1,227,868.38, 1,694,510.61 and 684,003.51 is: 943,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,868.38 : 1,694,510.61 = 684,003.51 : x
  2. Step 2: Convert to fraction form
    1,227,868.38/1,694,510.61 = 684,003.51/x
  3. Step 3: Cross multiply
    1,227,868.38x = 1,694,510.61 × 684,003.51
  4. Step 4: Simplify right side
    1,227,868.38x = 1,159,051,204,972.24
  5. Step 5: Solve for x
    x = 1,159,051,204,972.24/1,227,868.38
  6. Step 6: Final answer
    x = 943,953.95

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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.