Home / 755,318.71-1,132,587.64-222,771.79

Finding the Fourth Proportional to 755,318.71, 1,132,587.64 and 222,771.79

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Solution

The fourth proportional to 755,318.71, 1,132,587.64 and 222,771.79 is: 334,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,318.71 : 1,132,587.64 = 222,771.79 : x
  2. Step 2: Convert to fraction form
    755,318.71/1,132,587.64 = 222,771.79/x
  3. Step 3: Cross multiply
    755,318.71x = 1,132,587.64 × 222,771.79
  4. Step 4: Simplify right side
    755,318.71x = 252,308,569,117.88
  5. Step 5: Solve for x
    x = 252,308,569,117.88/755,318.71
  6. Step 6: Final answer
    x = 334,042.53

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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.