Home / 515,670.28-773,546.76-195,975.30

Finding the Fourth Proportional to 515,670.28, 773,546.76 and 195,975.30

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Solution

The fourth proportional to 515,670.28, 773,546.76 and 195,975.30 is: 293,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,670.28 : 773,546.76 = 195,975.30 : x
  2. Step 2: Convert to fraction form
    515,670.28/773,546.76 = 195,975.30/x
  3. Step 3: Cross multiply
    515,670.28x = 773,546.76 × 195,975.30
  4. Step 4: Simplify right side
    515,670.28x = 151,596,058,355.03
  5. Step 5: Solve for x
    x = 151,596,058,355.03/515,670.28
  6. Step 6: Final answer
    x = 293,978.66

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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.