Home / 1,333,409.67-1,840,110.19-721,562.37

Finding the Fourth Proportional to 1,333,409.67, 1,840,110.19 and 721,562.37

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Solution

The fourth proportional to 1,333,409.67, 1,840,110.19 and 721,562.37 is: 995,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,409.67 : 1,840,110.19 = 721,562.37 : x
  2. Step 2: Convert to fraction form
    1,333,409.67/1,840,110.19 = 721,562.37/x
  3. Step 3: Cross multiply
    1,333,409.67x = 1,840,110.19 × 721,562.37
  4. Step 4: Simplify right side
    1,333,409.67x = 1,327,754,269,757.55
  5. Step 5: Solve for x
    x = 1,327,754,269,757.55/1,333,409.67
  6. Step 6: Final answer
    x = 995,758.69

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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.