Home / 695,388.42-1,042,918.97-189,829.21

Finding the Fourth Proportional to 695,388.42, 1,042,918.97 and 189,829.21

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Solution

The fourth proportional to 695,388.42, 1,042,918.97 and 189,829.21 is: 284,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,388.42 : 1,042,918.97 = 189,829.21 : x
  2. Step 2: Convert to fraction form
    695,388.42/1,042,918.97 = 189,829.21/x
  3. Step 3: Cross multiply
    695,388.42x = 1,042,918.97 × 189,829.21
  4. Step 4: Simplify right side
    695,388.42x = 197,976,484,169.11
  5. Step 5: Solve for x
    x = 197,976,484,169.11/695,388.42
  6. Step 6: Final answer
    x = 284,699.14

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1.5x scale

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.