Home / 695,216.08-1,042,809.54-221,893.39

Finding the Fourth Proportional to 695,216.08, 1,042,809.54 and 221,893.39

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Solution

The fourth proportional to 695,216.08, 1,042,809.54 and 221,893.39 is: 332,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,216.08 : 1,042,809.54 = 221,893.39 : x
  2. Step 2: Convert to fraction form
    695,216.08/1,042,809.54 = 221,893.39/x
  3. Step 3: Cross multiply
    695,216.08x = 1,042,809.54 × 221,893.39
  4. Step 4: Simplify right side
    695,216.08x = 231,392,543,954.94
  5. Step 5: Solve for x
    x = 231,392,543,954.94/695,216.08
  6. Step 6: Final answer
    x = 332,835.43

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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.