Home / 1,305,675.43-1,801,912.05-732,715.61

Finding the Fourth Proportional to 1,305,675.43, 1,801,912.05 and 732,715.61

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Solution

The fourth proportional to 1,305,675.43, 1,801,912.05 and 732,715.61 is: 1,011,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,675.43 : 1,801,912.05 = 732,715.61 : x
  2. Step 2: Convert to fraction form
    1,305,675.43/1,801,912.05 = 732,715.61/x
  3. Step 3: Cross multiply
    1,305,675.43x = 1,801,912.05 × 732,715.61
  4. Step 4: Simplify right side
    1,305,675.43x = 1,320,289,077,872.54
  5. Step 5: Solve for x
    x = 1,320,289,077,872.54/1,305,675.43
  6. Step 6: Final answer
    x = 1,011,192.41

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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.