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Finding the Fourth Proportional to 995,666, 1,374,122.77 and 613,682.96

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Solution

The fourth proportional to 995,666, 1,374,122.77 and 613,682.96 is: 846,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,666 : 1,374,122.77 = 613,682.96 : x
  2. Step 2: Convert to fraction form
    995,666/1,374,122.77 = 613,682.96/x
  3. Step 3: Cross multiply
    995,666x = 1,374,122.77 × 613,682.96
  4. Step 4: Simplify right side
    995,666x = 843,275,728,897.00
  5. Step 5: Solve for x
    x = 843,275,728,897.00/995,666
  6. Step 6: Final answer
    x = 846,946.39

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Similar ratio
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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.