Home / 995,880.78-1,374,331.86-543,171.78

Finding the Fourth Proportional to 995,880.78, 1,374,331.86 and 543,171.78

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Solution

The fourth proportional to 995,880.78, 1,374,331.86 and 543,171.78 is: 749,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,880.78 : 1,374,331.86 = 543,171.78 : x
  2. Step 2: Convert to fraction form
    995,880.78/1,374,331.86 = 543,171.78/x
  3. Step 3: Cross multiply
    995,880.78x = 1,374,331.86 × 543,171.78
  4. Step 4: Simplify right side
    995,880.78x = 746,498,282,706.91
  5. Step 5: Solve for x
    x = 746,498,282,706.91/995,880.78
  6. Step 6: Final answer
    x = 749,585.99

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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.