Home / 728,965.99-1,092,562.49-515,795.33

Finding the Fourth Proportional to 728,965.99, 1,092,562.49 and 515,795.33

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Solution

The fourth proportional to 728,965.99, 1,092,562.49 and 515,795.33 is: 773,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,965.99 : 1,092,562.49 = 515,795.33 : x
  2. Step 2: Convert to fraction form
    728,965.99/1,092,562.49 = 515,795.33/x
  3. Step 3: Cross multiply
    728,965.99x = 1,092,562.49 × 515,795.33
  4. Step 4: Simplify right side
    728,965.99x = 563,538,630,227.60
  5. Step 5: Solve for x
    x = 563,538,630,227.60/728,965.99
  6. Step 6: Final answer
    x = 773,065.74

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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.