Home / 1,544,221.72-2,131,084.38-865,135

Finding the Fourth Proportional to 1,544,221.72, 2,131,084.38 and 865,135

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Solution

The fourth proportional to 1,544,221.72, 2,131,084.38 and 865,135 is: 1,193,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,221.72 : 2,131,084.38 = 865,135 : x
  2. Step 2: Convert to fraction form
    1,544,221.72/2,131,084.38 = 865,135/x
  3. Step 3: Cross multiply
    1,544,221.72x = 2,131,084.38 × 865,135
  4. Step 4: Simplify right side
    1,544,221.72x = 1,843,675,685,091.30
  5. Step 5: Solve for x
    x = 1,843,675,685,091.30/1,544,221.72
  6. Step 6: Final answer
    x = 1,193,919.02

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Double scale
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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.