Home / 995,814.76-1,374,207.78-543,078.76

Finding the Fourth Proportional to 995,814.76, 1,374,207.78 and 543,078.76

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Solution

The fourth proportional to 995,814.76, 1,374,207.78 and 543,078.76 is: 749,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,814.76 : 1,374,207.78 = 543,078.76 : x
  2. Step 2: Convert to fraction form
    995,814.76/1,374,207.78 = 543,078.76/x
  3. Step 3: Cross multiply
    995,814.76x = 1,374,207.78 × 543,078.76
  4. Step 4: Simplify right side
    995,814.76x = 746,303,057,144.75
  5. Step 5: Solve for x
    x = 746,303,057,144.75/995,814.76
  6. Step 6: Final answer
    x = 749,439.64

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Double scale
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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.