Home / 927,497.52-1,279,879.79-519,530.36

Finding the Fourth Proportional to 927,497.52, 1,279,879.79 and 519,530.36

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Solution

The fourth proportional to 927,497.52, 1,279,879.79 and 519,530.36 is: 716,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,497.52 : 1,279,879.79 = 519,530.36 : x
  2. Step 2: Convert to fraction form
    927,497.52/1,279,879.79 = 519,530.36/x
  3. Step 3: Cross multiply
    927,497.52x = 1,279,879.79 × 519,530.36
  4. Step 4: Simplify right side
    927,497.52x = 664,936,399,058.37
  5. Step 5: Solve for x
    x = 664,936,399,058.37/927,497.52
  6. Step 6: Final answer
    x = 716,914.48

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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.