Home / 892,756.80-1,339,005.60-261,604.80

Finding the Fourth Proportional to 892,756.80, 1,339,005.60 and 261,604.80

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Solution

The fourth proportional to 892,756.80, 1,339,005.60 and 261,604.80 is: 392,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,756.80 : 1,339,005.60 = 261,604.80 : x
  2. Step 2: Convert to fraction form
    892,756.80/1,339,005.60 = 261,604.80/x
  3. Step 3: Cross multiply
    892,756.80x = 1,339,005.60 × 261,604.80
  4. Step 4: Simplify right side
    892,756.80x = 350,290,292,186.88
  5. Step 5: Solve for x
    x = 350,290,292,186.88/892,756.80
  6. Step 6: Final answer
    x = 392,369.22

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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.