Home / 905,874.19-1,250,122.19-497,993.22

Finding the Fourth Proportional to 905,874.19, 1,250,122.19 and 497,993.22

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Solution

The fourth proportional to 905,874.19, 1,250,122.19 and 497,993.22 is: 687,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,874.19 : 1,250,122.19 = 497,993.22 : x
  2. Step 2: Convert to fraction form
    905,874.19/1,250,122.19 = 497,993.22/x
  3. Step 3: Cross multiply
    905,874.19x = 1,250,122.19 × 497,993.22
  4. Step 4: Simplify right side
    905,874.19x = 622,552,372,301.59
  5. Step 5: Solve for x
    x = 622,552,372,301.59/905,874.19
  6. Step 6: Final answer
    x = 687,239.33

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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.