Home / 1,647,156.76-2,273,114.82-921,986.44

Finding the Fourth Proportional to 1,647,156.76, 2,273,114.82 and 921,986.44

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Solution

The fourth proportional to 1,647,156.76, 2,273,114.82 and 921,986.44 is: 1,272,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,156.76 : 2,273,114.82 = 921,986.44 : x
  2. Step 2: Convert to fraction form
    1,647,156.76/2,273,114.82 = 921,986.44/x
  3. Step 3: Cross multiply
    1,647,156.76x = 2,273,114.82 × 921,986.44
  4. Step 4: Simplify right side
    1,647,156.76x = 2,095,781,040,603.04
  5. Step 5: Solve for x
    x = 2,095,781,040,603.04/1,647,156.76
  6. Step 6: Final answer
    x = 1,272,362.83

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1.5x scale

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.