Home / 868,785.49-1,198,212.88-611,514.03

Finding the Fourth Proportional to 868,785.49, 1,198,212.88 and 611,514.03

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Solution

The fourth proportional to 868,785.49, 1,198,212.88 and 611,514.03 is: 843,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,785.49 : 1,198,212.88 = 611,514.03 : x
  2. Step 2: Convert to fraction form
    868,785.49/1,198,212.88 = 611,514.03/x
  3. Step 3: Cross multiply
    868,785.49x = 1,198,212.88 × 611,514.03
  4. Step 4: Simplify right side
    868,785.49x = 732,723,987,046.71
  5. Step 5: Solve for x
    x = 732,723,987,046.71/868,785.49
  6. Step 6: Final answer
    x = 843,388.84

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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.