Home / 995,996.40-1,374,479.30-543,297.12

Finding the Fourth Proportional to 995,996.40, 1,374,479.30 and 543,297.12

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Solution

The fourth proportional to 995,996.40, 1,374,479.30 and 543,297.12 is: 749,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,996.40 : 1,374,479.30 = 543,297.12 : x
  2. Step 2: Convert to fraction form
    995,996.40/1,374,479.30 = 543,297.12/x
  3. Step 3: Cross multiply
    995,996.40x = 1,374,479.30 × 543,297.12
  4. Step 4: Simplify right side
    995,996.40x = 746,750,645,189.62
  5. Step 5: Solve for x
    x = 746,750,645,189.62/995,996.40
  6. Step 6: Final answer
    x = 749,752.35

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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.