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Finding the Fourth Proportional to 2,571,556, 3,857,334 and 995,620

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Solution

The fourth proportional to 2,571,556, 3,857,334 and 995,620 is: 1,493,430

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,556 : 3,857,334 = 995,620 : x
  2. Step 2: Convert to fraction form
    2,571,556/3,857,334 = 995,620/x
  3. Step 3: Cross multiply
    2,571,556x = 3,857,334 × 995,620
  4. Step 4: Simplify right side
    2,571,556x = 3,840,438,877,080
  5. Step 5: Solve for x
    x = 3,840,438,877,080/2,571,556
  6. Step 6: Final answer
    x = 1,493,430

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.