Home / 918,324.20-1,374,764.70-682,711.40

Finding the Fourth Proportional to 918,324.20, 1,374,764.70 and 682,711.40

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Solution

The fourth proportional to 918,324.20, 1,374,764.70 and 682,711.40 is: 1,022,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,324.20 : 1,374,764.70 = 682,711.40 : x
  2. Step 2: Convert to fraction form
    918,324.20/1,374,764.70 = 682,711.40/x
  3. Step 3: Cross multiply
    918,324.20x = 1,374,764.70 × 682,711.40
  4. Step 4: Simplify right side
    918,324.20x = 938,567,533,007.58
  5. Step 5: Solve for x
    x = 938,567,533,007.58/918,324.20
  6. Step 6: Final answer
    x = 1,022,043.78

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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.