Home / 995,551.80-1,493,327.70-321,631.80

Finding the Fourth Proportional to 995,551.80, 1,493,327.70 and 321,631.80

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Solution

The fourth proportional to 995,551.80, 1,493,327.70 and 321,631.80 is: 482,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,551.80 : 1,493,327.70 = 321,631.80 : x
  2. Step 2: Convert to fraction form
    995,551.80/1,493,327.70 = 321,631.80/x
  3. Step 3: Cross multiply
    995,551.80x = 1,493,327.70 × 321,631.80
  4. Step 4: Simplify right side
    995,551.80x = 480,301,676,140.86
  5. Step 5: Solve for x
    x = 480,301,676,140.86/995,551.80
  6. Step 6: Final answer
    x = 482,447.70

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Double scale
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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.