Home / 467,724.16-645,497.60-263,764.48

Finding the Fourth Proportional to 467,724.16, 645,497.60 and 263,764.48

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Solution

The fourth proportional to 467,724.16, 645,497.60 and 263,764.48 is: 364,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,724.16 : 645,497.60 = 263,764.48 : x
  2. Step 2: Convert to fraction form
    467,724.16/645,497.60 = 263,764.48/x
  3. Step 3: Cross multiply
    467,724.16x = 645,497.60 × 263,764.48
  4. Step 4: Simplify right side
    467,724.16x = 170,259,338,805.25
  5. Step 5: Solve for x
    x = 170,259,338,805.25/467,724.16
  6. Step 6: Final answer
    x = 364,016.56

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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.