Home / 1,511,028.29-2,085,295.61-857,700.11

Finding the Fourth Proportional to 1,511,028.29, 2,085,295.61 and 857,700.11

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Solution

The fourth proportional to 1,511,028.29, 2,085,295.61 and 857,700.11 is: 1,183,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,028.29 : 2,085,295.61 = 857,700.11 : x
  2. Step 2: Convert to fraction form
    1,511,028.29/2,085,295.61 = 857,700.11/x
  3. Step 3: Cross multiply
    1,511,028.29x = 2,085,295.61 × 857,700.11
  4. Step 4: Simplify right side
    1,511,028.29x = 1,788,558,274,079.52
  5. Step 5: Solve for x
    x = 1,788,558,274,079.52/1,511,028.29
  6. Step 6: Final answer
    x = 1,183,669.61

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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.