Home / 1,333,365.41-1,840,049.10-721,518.14

Finding the Fourth Proportional to 1,333,365.41, 1,840,049.10 and 721,518.14

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Solution

The fourth proportional to 1,333,365.41, 1,840,049.10 and 721,518.14 is: 995,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,365.41 : 1,840,049.10 = 721,518.14 : x
  2. Step 2: Convert to fraction form
    1,333,365.41/1,840,049.10 = 721,518.14/x
  3. Step 3: Cross multiply
    1,333,365.41x = 1,840,049.10 × 721,518.14
  4. Step 4: Simplify right side
    1,333,365.41x = 1,327,628,794,940.43
  5. Step 5: Solve for x
    x = 1,327,628,794,940.43/1,333,365.41
  6. Step 6: Final answer
    x = 995,697.65

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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.