Home / 1,333,205.36-1,839,810.27-721,344.70

Finding the Fourth Proportional to 1,333,205.36, 1,839,810.27 and 721,344.70

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Solution

The fourth proportional to 1,333,205.36, 1,839,810.27 and 721,344.70 is: 995,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,205.36 : 1,839,810.27 = 721,344.70 : x
  2. Step 2: Convert to fraction form
    1,333,205.36/1,839,810.27 = 721,344.70/x
  3. Step 3: Cross multiply
    1,333,205.36x = 1,839,810.27 × 721,344.70
  4. Step 4: Simplify right side
    1,333,205.36x = 1,327,137,382,670.54
  5. Step 5: Solve for x
    x = 1,327,137,382,670.54/1,333,205.36
  6. Step 6: Final answer
    x = 995,448.58

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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.