Home / 1,491,984.94-2,058,939.13-812,921.44

Finding the Fourth Proportional to 1,491,984.94, 2,058,939.13 and 812,921.44

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Solution

The fourth proportional to 1,491,984.94, 2,058,939.13 and 812,921.44 is: 1,121,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,984.94 : 2,058,939.13 = 812,921.44 : x
  2. Step 2: Convert to fraction form
    1,491,984.94/2,058,939.13 = 812,921.44/x
  3. Step 3: Cross multiply
    1,491,984.94x = 2,058,939.13 × 812,921.44
  4. Step 4: Simplify right side
    1,491,984.94x = 1,673,755,762,431.95
  5. Step 5: Solve for x
    x = 1,673,755,762,431.95/1,491,984.94
  6. Step 6: Final answer
    x = 1,121,831.54

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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.