Home / 625,112.52-938,171.48-325,682.52

Finding the Fourth Proportional to 625,112.52, 938,171.48 and 325,682.52

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Solution

The fourth proportional to 625,112.52, 938,171.48 and 325,682.52 is: 488,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,112.52 : 938,171.48 = 325,682.52 : x
  2. Step 2: Convert to fraction form
    625,112.52/938,171.48 = 325,682.52/x
  3. Step 3: Cross multiply
    625,112.52x = 938,171.48 × 325,682.52
  4. Step 4: Simplify right side
    625,112.52x = 305,546,051,798.53
  5. Step 5: Solve for x
    x = 305,546,051,798.53/625,112.52
  6. Step 6: Final answer
    x = 488,785.69

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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.