Home / 868,771.84-1,198,194.28-611,500.45

Finding the Fourth Proportional to 868,771.84, 1,198,194.28 and 611,500.45

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Solution

The fourth proportional to 868,771.84, 1,198,194.28 and 611,500.45 is: 843,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,771.84 : 1,198,194.28 = 611,500.45 : x
  2. Step 2: Convert to fraction form
    868,771.84/1,198,194.28 = 611,500.45/x
  3. Step 3: Cross multiply
    868,771.84x = 1,198,194.28 × 611,500.45
  4. Step 4: Simplify right side
    868,771.84x = 732,696,336,883.19
  5. Step 5: Solve for x
    x = 732,696,336,883.19/868,771.84
  6. Step 6: Final answer
    x = 843,370.27

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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.