Home / 1,086,179.70-1,498,828.67-644,578.27

Finding the Fourth Proportional to 1,086,179.70, 1,498,828.67 and 644,578.27

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Solution

The fourth proportional to 1,086,179.70, 1,498,828.67 and 644,578.27 is: 889,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,179.70 : 1,498,828.67 = 644,578.27 : x
  2. Step 2: Convert to fraction form
    1,086,179.70/1,498,828.67 = 644,578.27/x
  3. Step 3: Cross multiply
    1,086,179.70x = 1,498,828.67 × 644,578.27
  4. Step 4: Simplify right side
    1,086,179.70x = 966,112,389,596.45
  5. Step 5: Solve for x
    x = 966,112,389,596.45/1,086,179.70
  6. Step 6: Final answer
    x = 889,459.07

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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.