Home / 995,885.78-1,374,338.76-543,176.78

Finding the Fourth Proportional to 995,885.78, 1,374,338.76 and 543,176.78

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Solution

The fourth proportional to 995,885.78, 1,374,338.76 and 543,176.78 is: 749,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,885.78 : 1,374,338.76 = 543,176.78 : x
  2. Step 2: Convert to fraction form
    995,885.78/1,374,338.76 = 543,176.78/x
  3. Step 3: Cross multiply
    995,885.78x = 1,374,338.76 × 543,176.78
  4. Step 4: Simplify right side
    995,885.78x = 746,508,902,285.99
  5. Step 5: Solve for x
    x = 746,508,902,285.99/995,885.78
  6. Step 6: Final answer
    x = 749,592.89

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.