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Finding the Fourth Proportional to 4,147,314, 6,220,971 and 995,442

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Solution

The fourth proportional to 4,147,314, 6,220,971 and 995,442 is: 1,493,163

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,314 : 6,220,971 = 995,442 : x
  2. Step 2: Convert to fraction form
    4,147,314/6,220,971 = 995,442/x
  3. Step 3: Cross multiply
    4,147,314x = 6,220,971 × 995,442
  4. Step 4: Simplify right side
    4,147,314x = 6,192,615,814,182
  5. Step 5: Solve for x
    x = 6,192,615,814,182/4,147,314
  6. Step 6: Final answer
    x = 1,493,163

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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.