Home / 515,823.14-773,783.91-200,304.65

Finding the Fourth Proportional to 515,823.14, 773,783.91 and 200,304.65

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Solution

The fourth proportional to 515,823.14, 773,783.91 and 200,304.65 is: 300,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,823.14 : 773,783.91 = 200,304.65 : x
  2. Step 2: Convert to fraction form
    515,823.14/773,783.91 = 200,304.65/x
  3. Step 3: Cross multiply
    515,823.14x = 773,783.91 × 200,304.65
  4. Step 4: Simplify right side
    515,823.14x = 154,992,511,399.26
  5. Step 5: Solve for x
    x = 154,992,511,399.26/515,823.14
  6. Step 6: Final answer
    x = 300,476.08

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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.