Home / 797,828.22-1,105,660.82-782,688.78

Finding the Fourth Proportional to 797,828.22, 1,105,660.82 and 782,688.78

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Solution

The fourth proportional to 797,828.22, 1,105,660.82 and 782,688.78 is: 1,084,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,828.22 : 1,105,660.82 = 782,688.78 : x
  2. Step 2: Convert to fraction form
    797,828.22/1,105,660.82 = 782,688.78/x
  3. Step 3: Cross multiply
    797,828.22x = 1,105,660.82 × 782,688.78
  4. Step 4: Simplify right side
    797,828.22x = 865,388,318,299.60
  5. Step 5: Solve for x
    x = 865,388,318,299.60/797,828.22
  6. Step 6: Final answer
    x = 1,084,680.01

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.