Home / 1,381,560.60-1,906,423.38-769,650.96

Finding the Fourth Proportional to 1,381,560.60, 1,906,423.38 and 769,650.96

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Solution

The fourth proportional to 1,381,560.60, 1,906,423.38 and 769,650.96 is: 1,062,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,560.60 : 1,906,423.38 = 769,650.96 : x
  2. Step 2: Convert to fraction form
    1,381,560.60/1,906,423.38 = 769,650.96/x
  3. Step 3: Cross multiply
    1,381,560.60x = 1,906,423.38 × 769,650.96
  4. Step 4: Simplify right side
    1,381,560.60x = 1,467,280,584,583.44
  5. Step 5: Solve for x
    x = 1,467,280,584,583.44/1,381,560.60
  6. Step 6: Final answer
    x = 1,062,045.77

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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.