Home / 868,767.43-1,198,188.21-611,496.04

Finding the Fourth Proportional to 868,767.43, 1,198,188.21 and 611,496.04

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Solution

The fourth proportional to 868,767.43, 1,198,188.21 and 611,496.04 is: 843,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,767.43 : 1,198,188.21 = 611,496.04 : x
  2. Step 2: Convert to fraction form
    868,767.43/1,198,188.21 = 611,496.04/x
  3. Step 3: Cross multiply
    868,767.43x = 1,198,188.21 × 611,496.04
  4. Step 4: Simplify right side
    868,767.43x = 732,687,345,589.69
  5. Step 5: Solve for x
    x = 732,687,345,589.69/868,767.43
  6. Step 6: Final answer
    x = 843,364.20

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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.