Home / 868,771.09-1,198,193.24-611,499.70

Finding the Fourth Proportional to 868,771.09, 1,198,193.24 and 611,499.70

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Solution

The fourth proportional to 868,771.09, 1,198,193.24 and 611,499.70 is: 843,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,771.09 : 1,198,193.24 = 611,499.70 : x
  2. Step 2: Convert to fraction form
    868,771.09/1,198,193.24 = 611,499.70/x
  3. Step 3: Cross multiply
    868,771.09x = 1,198,193.24 × 611,499.70
  4. Step 4: Simplify right side
    868,771.09x = 732,694,803,088.68
  5. Step 5: Solve for x
    x = 732,694,803,088.68/868,771.09
  6. Step 6: Final answer
    x = 843,369.23

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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.