Home / 728,967.57-1,092,564.87-515,796.92

Finding the Fourth Proportional to 728,967.57, 1,092,564.87 and 515,796.92

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Solution

The fourth proportional to 728,967.57, 1,092,564.87 and 515,796.92 is: 773,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,967.57 : 1,092,564.87 = 515,796.92 : x
  2. Step 2: Convert to fraction form
    728,967.57/1,092,564.87 = 515,796.92/x
  3. Step 3: Cross multiply
    728,967.57x = 1,092,564.87 × 515,796.92
  4. Step 4: Simplify right side
    728,967.57x = 563,541,586,804.39
  5. Step 5: Solve for x
    x = 563,541,586,804.39/728,967.57
  6. Step 6: Final answer
    x = 773,068.11

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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.