Home / 892,636.94-1,338,966.57-261,563.66

Finding the Fourth Proportional to 892,636.94, 1,338,966.57 and 261,563.66

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Solution

The fourth proportional to 892,636.94, 1,338,966.57 and 261,563.66 is: 392,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,636.94 : 1,338,966.57 = 261,563.66 : x
  2. Step 2: Convert to fraction form
    892,636.94/1,338,966.57 = 261,563.66/x
  3. Step 3: Cross multiply
    892,636.94x = 1,338,966.57 × 261,563.66
  4. Step 4: Simplify right side
    892,636.94x = 350,224,996,666.85
  5. Step 5: Solve for x
    x = 350,224,996,666.85/892,636.94
  6. Step 6: Final answer
    x = 392,348.76

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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.