Home / 868,766.43-1,198,186.83-611,495.04

Finding the Fourth Proportional to 868,766.43, 1,198,186.83 and 611,495.04

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Solution

The fourth proportional to 868,766.43, 1,198,186.83 and 611,495.04 is: 843,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,766.43 : 1,198,186.83 = 611,495.04 : x
  2. Step 2: Convert to fraction form
    868,766.43/1,198,186.83 = 611,495.04/x
  3. Step 3: Cross multiply
    868,766.43x = 1,198,186.83 × 611,495.04
  4. Step 4: Simplify right side
    868,766.43x = 732,685,301,291.72
  5. Step 5: Solve for x
    x = 732,685,301,291.72/868,766.43
  6. Step 6: Final answer
    x = 843,362.82

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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.