Home / 892,983.78-1,339,486.74-261,910.62

Finding the Fourth Proportional to 892,983.78, 1,339,486.74 and 261,910.62

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Solution

The fourth proportional to 892,983.78, 1,339,486.74 and 261,910.62 is: 392,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,983.78 : 1,339,486.74 = 261,910.62 : x
  2. Step 2: Convert to fraction form
    892,983.78/1,339,486.74 = 261,910.62/x
  3. Step 3: Cross multiply
    892,983.78x = 1,339,486.74 × 261,910.62
  4. Step 4: Simplify right side
    892,983.78x = 350,825,802,555.18
  5. Step 5: Solve for x
    x = 350,825,802,555.18/892,983.78
  6. Step 6: Final answer
    x = 392,869.18

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1.5x scale

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.