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Finding the Fourth Proportional to 1,811,459.03, 2,499,839.14 and 995,738.14

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Solution

The fourth proportional to 1,811,459.03, 2,499,839.14 and 995,738.14 is: 1,374,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,459.03 : 2,499,839.14 = 995,738.14 : x
  2. Step 2: Convert to fraction form
    1,811,459.03/2,499,839.14 = 995,738.14/x
  3. Step 3: Cross multiply
    1,811,459.03x = 2,499,839.14 × 995,738.14
  4. Step 4: Simplify right side
    1,811,459.03x = 2,489,185,166,823.86
  5. Step 5: Solve for x
    x = 2,489,185,166,823.86/1,811,459.03
  6. Step 6: Final answer
    x = 1,374,132.74

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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.