Home / 728,968.57-1,092,566.36-515,797.92

Finding the Fourth Proportional to 728,968.57, 1,092,566.36 and 515,797.92

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Solution

The fourth proportional to 728,968.57, 1,092,566.36 and 515,797.92 is: 773,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,968.57 : 1,092,566.36 = 515,797.92 : x
  2. Step 2: Convert to fraction form
    728,968.57/1,092,566.36 = 515,797.92/x
  3. Step 3: Cross multiply
    728,968.57x = 1,092,566.36 × 515,797.92
  4. Step 4: Simplify right side
    728,968.57x = 563,543,455,949.97
  5. Step 5: Solve for x
    x = 563,543,455,949.97/728,968.57
  6. Step 6: Final answer
    x = 773,069.62

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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.