Home / 728,617.87-1,005,564.95-544,536.73

Finding the Fourth Proportional to 728,617.87, 1,005,564.95 and 544,536.73

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Solution

The fourth proportional to 728,617.87, 1,005,564.95 and 544,536.73 is: 751,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,617.87 : 1,005,564.95 = 544,536.73 : x
  2. Step 2: Convert to fraction form
    728,617.87/1,005,564.95 = 544,536.73/x
  3. Step 3: Cross multiply
    728,617.87x = 1,005,564.95 × 544,536.73
  4. Step 4: Simplify right side
    728,617.87x = 547,567,046,952.93
  5. Step 5: Solve for x
    x = 547,567,046,952.93/728,617.87
  6. Step 6: Final answer
    x = 751,514.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.