Home / 1,333,406.17-1,840,105.36-721,558.87

Finding the Fourth Proportional to 1,333,406.17, 1,840,105.36 and 721,558.87

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Solution

The fourth proportional to 1,333,406.17, 1,840,105.36 and 721,558.87 is: 995,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,406.17 : 1,840,105.36 = 721,558.87 : x
  2. Step 2: Convert to fraction form
    1,333,406.17/1,840,105.36 = 721,558.87/x
  3. Step 3: Cross multiply
    1,333,406.17x = 1,840,105.36 × 721,558.87
  4. Step 4: Simplify right side
    1,333,406.17x = 1,327,744,331,434.22
  5. Step 5: Solve for x
    x = 1,327,744,331,434.22/1,333,406.17
  6. Step 6: Final answer
    x = 995,753.86

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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.