Home / 905,874.94-1,250,123.22-497,993.97

Finding the Fourth Proportional to 905,874.94, 1,250,123.22 and 497,993.97

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Solution

The fourth proportional to 905,874.94, 1,250,123.22 and 497,993.97 is: 687,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,874.94 : 1,250,123.22 = 497,993.97 : x
  2. Step 2: Convert to fraction form
    905,874.94/1,250,123.22 = 497,993.97/x
  3. Step 3: Cross multiply
    905,874.94x = 1,250,123.22 × 497,993.97
  4. Step 4: Simplify right side
    905,874.94x = 622,553,825,316.98
  5. Step 5: Solve for x
    x = 622,553,825,316.98/905,874.94
  6. Step 6: Final answer
    x = 687,240.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.