Home / 695,117.58-1,042,694.60-221,802.48

Finding the Fourth Proportional to 695,117.58, 1,042,694.60 and 221,802.48

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Solution

The fourth proportional to 695,117.58, 1,042,694.60 and 221,802.48 is: 332,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,117.58 : 1,042,694.60 = 221,802.48 : x
  2. Step 2: Convert to fraction form
    695,117.58/1,042,694.60 = 221,802.48/x
  3. Step 3: Cross multiply
    695,117.58x = 1,042,694.60 × 221,802.48
  4. Step 4: Simplify right side
    695,117.58x = 231,272,247,053.60
  5. Step 5: Solve for x
    x = 231,272,247,053.60/695,117.58
  6. Step 6: Final answer
    x = 332,709.54

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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.