Home / 1,160,889.97-1,601,974.23-644,676.56

Finding the Fourth Proportional to 1,160,889.97, 1,601,974.23 and 644,676.56

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Solution

The fourth proportional to 1,160,889.97, 1,601,974.23 and 644,676.56 is: 889,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,889.97 : 1,601,974.23 = 644,676.56 : x
  2. Step 2: Convert to fraction form
    1,160,889.97/1,601,974.23 = 644,676.56/x
  3. Step 3: Cross multiply
    1,160,889.97x = 1,601,974.23 × 644,676.56
  4. Step 4: Simplify right side
    1,160,889.97x = 1,032,755,239,809.98
  5. Step 5: Solve for x
    x = 1,032,755,239,809.98/1,160,889.97
  6. Step 6: Final answer
    x = 889,623.71

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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.