Home / 1,396,177.26-2,092,328.31-636,161.34

Finding the Fourth Proportional to 1,396,177.26, 2,092,328.31 and 636,161.34

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Solution

The fourth proportional to 1,396,177.26, 2,092,328.31 and 636,161.34 is: 953,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,177.26 : 2,092,328.31 = 636,161.34 : x
  2. Step 2: Convert to fraction form
    1,396,177.26/2,092,328.31 = 636,161.34/x
  3. Step 3: Cross multiply
    1,396,177.26x = 2,092,328.31 × 636,161.34
  4. Step 4: Simplify right side
    1,396,177.26x = 1,331,058,391,641.37
  5. Step 5: Solve for x
    x = 1,331,058,391,641.37/1,396,177.26
  6. Step 6: Final answer
    x = 953,359.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.