Home / 1,511,205.57-2,085,382.13-866,652.93

Finding the Fourth Proportional to 1,511,205.57, 2,085,382.13 and 866,652.93

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Solution

The fourth proportional to 1,511,205.57, 2,085,382.13 and 866,652.93 is: 1,195,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,205.57 : 2,085,382.13 = 866,652.93 : x
  2. Step 2: Convert to fraction form
    1,511,205.57/2,085,382.13 = 866,652.93/x
  3. Step 3: Cross multiply
    1,511,205.57x = 2,085,382.13 × 866,652.93
  4. Step 4: Simplify right side
    1,511,205.57x = 1,807,302,528,800.88
  5. Step 5: Solve for x
    x = 1,807,302,528,800.88/1,511,205.57
  6. Step 6: Final answer
    x = 1,195,934.27

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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.