Home / 1,192,145.65-1,645,204.28-682,946.44

Finding the Fourth Proportional to 1,192,145.65, 1,645,204.28 and 682,946.44

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Solution

The fourth proportional to 1,192,145.65, 1,645,204.28 and 682,946.44 is: 942,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,145.65 : 1,645,204.28 = 682,946.44 : x
  2. Step 2: Convert to fraction form
    1,192,145.65/1,645,204.28 = 682,946.44/x
  3. Step 3: Cross multiply
    1,192,145.65x = 1,645,204.28 × 682,946.44
  4. Step 4: Simplify right side
    1,192,145.65x = 1,123,586,398,571.02
  5. Step 5: Solve for x
    x = 1,123,586,398,571.02/1,192,145.65
  6. Step 6: Final answer
    x = 942,490.88

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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.