Home / 515,249.91-772,629.44-190,932.39

Finding the Fourth Proportional to 515,249.91, 772,629.44 and 190,932.39

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Solution

The fourth proportional to 515,249.91, 772,629.44 and 190,932.39 is: 286,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,249.91 : 772,629.44 = 190,932.39 : x
  2. Step 2: Convert to fraction form
    515,249.91/772,629.44 = 190,932.39/x
  3. Step 3: Cross multiply
    515,249.91x = 772,629.44 × 190,932.39
  4. Step 4: Simplify right side
    515,249.91x = 147,519,984,608.90
  5. Step 5: Solve for x
    x = 147,519,984,608.90/515,249.91
  6. Step 6: Final answer
    x = 286,307.64

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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.