Home / 1,333,257.29-1,839,889.97-721,411.23

Finding the Fourth Proportional to 1,333,257.29, 1,839,889.97 and 721,411.23

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Solution

The fourth proportional to 1,333,257.29, 1,839,889.97 and 721,411.23 is: 995,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,257.29 : 1,839,889.97 = 721,411.23 : x
  2. Step 2: Convert to fraction form
    1,333,257.29/1,839,889.97 = 721,411.23/x
  3. Step 3: Cross multiply
    1,333,257.29x = 1,839,889.97 × 721,411.23
  4. Step 4: Simplify right side
    1,333,257.29x = 1,327,317,292,320.19
  5. Step 5: Solve for x
    x = 1,327,317,292,320.19/1,333,257.29
  6. Step 6: Final answer
    x = 995,544.75

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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.