Home / 1,191,693.87-1,644,518.19-647,843.37

Finding the Fourth Proportional to 1,191,693.87, 1,644,518.19 and 647,843.37

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Solution

The fourth proportional to 1,191,693.87, 1,644,518.19 and 647,843.37 is: 894,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,693.87 : 1,644,518.19 = 647,843.37 : x
  2. Step 2: Convert to fraction form
    1,191,693.87/1,644,518.19 = 647,843.37/x
  3. Step 3: Cross multiply
    1,191,693.87x = 1,644,518.19 × 647,843.37
  4. Step 4: Simplify right side
    1,191,693.87x = 1,065,390,202,498.37
  5. Step 5: Solve for x
    x = 1,065,390,202,498.37/1,191,693.87
  6. Step 6: Final answer
    x = 894,013.33

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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.