Home / 730,467.73-1,007,970.64-501,221.53

Finding the Fourth Proportional to 730,467.73, 1,007,970.64 and 501,221.53

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Solution

The fourth proportional to 730,467.73, 1,007,970.64 and 501,221.53 is: 691,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,467.73 : 1,007,970.64 = 501,221.53 : x
  2. Step 2: Convert to fraction form
    730,467.73/1,007,970.64 = 501,221.53/x
  3. Step 3: Cross multiply
    730,467.73x = 1,007,970.64 × 501,221.53
  4. Step 4: Simplify right side
    730,467.73x = 505,216,586,375.88
  5. Step 5: Solve for x
    x = 505,216,586,375.88/730,467.73
  6. Step 6: Final answer
    x = 691,634.37

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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.