Home / 995,175.21-1,372,909.32-632,404.83

Finding the Fourth Proportional to 995,175.21, 1,372,909.32 and 632,404.83

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Solution

The fourth proportional to 995,175.21, 1,372,909.32 and 632,404.83 is: 872,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,175.21 : 1,372,909.32 = 632,404.83 : x
  2. Step 2: Convert to fraction form
    995,175.21/1,372,909.32 = 632,404.83/x
  3. Step 3: Cross multiply
    995,175.21x = 1,372,909.32 × 632,404.83
  4. Step 4: Simplify right side
    995,175.21x = 868,234,485,120.02
  5. Step 5: Solve for x
    x = 868,234,485,120.02/995,175.21
  6. Step 6: Final answer
    x = 872,443.84

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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.