Home / 861,736.04-1,189,258.92-616,743.80

Finding the Fourth Proportional to 861,736.04, 1,189,258.92 and 616,743.80

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Solution

The fourth proportional to 861,736.04, 1,189,258.92 and 616,743.80 is: 851,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,736.04 : 1,189,258.92 = 616,743.80 : x
  2. Step 2: Convert to fraction form
    861,736.04/1,189,258.92 = 616,743.80/x
  3. Step 3: Cross multiply
    861,736.04x = 1,189,258.92 × 616,743.80
  4. Step 4: Simplify right side
    861,736.04x = 733,468,065,504.70
  5. Step 5: Solve for x
    x = 733,468,065,504.70/861,736.04
  6. Step 6: Final answer
    x = 851,151.67

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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.