Home / 1,670,936.90-2,504,160.26-911,640.57

Finding the Fourth Proportional to 1,670,936.90, 2,504,160.26 and 911,640.57

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Solution

The fourth proportional to 1,670,936.90, 2,504,160.26 and 911,640.57 is: 1,366,235.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,936.90 : 2,504,160.26 = 911,640.57 : x
  2. Step 2: Convert to fraction form
    1,670,936.90/2,504,160.26 = 911,640.57/x
  3. Step 3: Cross multiply
    1,670,936.90x = 2,504,160.26 × 911,640.57
  4. Step 4: Simplify right side
    1,670,936.90x = 2,282,894,090,353.50
  5. Step 5: Solve for x
    x = 2,282,894,090,353.50/1,670,936.90
  6. Step 6: Final answer
    x = 1,366,235.97

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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.