Home / 868,768.43-1,198,189.59-611,497.04

Finding the Fourth Proportional to 868,768.43, 1,198,189.59 and 611,497.04

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Solution

The fourth proportional to 868,768.43, 1,198,189.59 and 611,497.04 is: 843,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,768.43 : 1,198,189.59 = 611,497.04 : x
  2. Step 2: Convert to fraction form
    868,768.43/1,198,189.59 = 611,497.04/x
  3. Step 3: Cross multiply
    868,768.43x = 1,198,189.59 × 611,497.04
  4. Step 4: Simplify right side
    868,768.43x = 732,689,387,643.81
  5. Step 5: Solve for x
    x = 732,689,387,643.81/868,768.43
  6. Step 6: Final answer
    x = 843,365.58

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Double scale
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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.