Home / 695,388.68-1,042,919.34-189,829.47

Finding the Fourth Proportional to 695,388.68, 1,042,919.34 and 189,829.47

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Solution

The fourth proportional to 695,388.68, 1,042,919.34 and 189,829.47 is: 284,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,388.68 : 1,042,919.34 = 189,829.47 : x
  2. Step 2: Convert to fraction form
    695,388.68/1,042,919.34 = 189,829.47/x
  3. Step 3: Cross multiply
    695,388.68x = 1,042,919.34 × 189,829.47
  4. Step 4: Simplify right side
    695,388.68x = 197,976,825,564.95
  5. Step 5: Solve for x
    x = 197,976,825,564.95/695,388.68
  6. Step 6: Final answer
    x = 284,699.53

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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.