Home / 1,491,961.50-2,058,906.87-812,898

Finding the Fourth Proportional to 1,491,961.50, 2,058,906.87 and 812,898

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Solution

The fourth proportional to 1,491,961.50, 2,058,906.87 and 812,898 is: 1,121,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,961.50 : 2,058,906.87 = 812,898 : x
  2. Step 2: Convert to fraction form
    1,491,961.50/2,058,906.87 = 812,898/x
  3. Step 3: Cross multiply
    1,491,961.50x = 2,058,906.87 × 812,898
  4. Step 4: Simplify right side
    1,491,961.50x = 1,673,681,276,809.26
  5. Step 5: Solve for x
    x = 1,673,681,276,809.26/1,491,961.50
  6. Step 6: Final answer
    x = 1,121,799.24

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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.