Home / 1,255,734.20-1,732,916.94-682,776.60

Finding the Fourth Proportional to 1,255,734.20, 1,732,916.94 and 682,776.60

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Solution

The fourth proportional to 1,255,734.20, 1,732,916.94 and 682,776.60 is: 942,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,734.20 : 1,732,916.94 = 682,776.60 : x
  2. Step 2: Convert to fraction form
    1,255,734.20/1,732,916.94 = 682,776.60/x
  3. Step 3: Cross multiply
    1,255,734.20x = 1,732,916.94 × 682,776.60
  4. Step 4: Simplify right side
    1,255,734.20x = 1,183,195,136,375.60
  5. Step 5: Solve for x
    x = 1,183,195,136,375.60/1,255,734.20
  6. Step 6: Final answer
    x = 942,233.74

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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.