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Finding the Fourth Proportional to 1,693,792.54, 2,540,806.03 and 682,923.56

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Solution

The fourth proportional to 1,693,792.54, 2,540,806.03 and 682,923.56 is: 1,024,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,792.54 : 2,540,806.03 = 682,923.56 : x
  2. Step 2: Convert to fraction form
    1,693,792.54/2,540,806.03 = 682,923.56/x
  3. Step 3: Cross multiply
    1,693,792.54x = 2,540,806.03 × 682,923.56
  4. Step 4: Simplify right side
    1,693,792.54x = 1,735,176,283,585.25
  5. Step 5: Solve for x
    x = 1,735,176,283,585.25/1,693,792.54
  6. Step 6: Final answer
    x = 1,024,432.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.