Home / 783,836.97-1,175,541.89-215,083.23

Finding the Fourth Proportional to 783,836.97, 1,175,541.89 and 215,083.23

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Solution

The fourth proportional to 783,836.97, 1,175,541.89 and 215,083.23 is: 322,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,836.97 : 1,175,541.89 = 215,083.23 : x
  2. Step 2: Convert to fraction form
    783,836.97/1,175,541.89 = 215,083.23/x
  3. Step 3: Cross multiply
    783,836.97x = 1,175,541.89 × 215,083.23
  4. Step 4: Simplify right side
    783,836.97x = 252,839,346,701.51
  5. Step 5: Solve for x
    x = 252,839,346,701.51/783,836.97
  6. Step 6: Final answer
    x = 322,566.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.