Home / 515,668.28-773,543.76-195,973.30

Finding the Fourth Proportional to 515,668.28, 773,543.76 and 195,973.30

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Solution

The fourth proportional to 515,668.28, 773,543.76 and 195,973.30 is: 293,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,668.28 : 773,543.76 = 195,973.30 : x
  2. Step 2: Convert to fraction form
    515,668.28/773,543.76 = 195,973.30/x
  3. Step 3: Cross multiply
    515,668.28x = 773,543.76 × 195,973.30
  4. Step 4: Simplify right side
    515,668.28x = 151,593,923,341.61
  5. Step 5: Solve for x
    x = 151,593,923,341.61/515,668.28
  6. Step 6: Final answer
    x = 293,975.66

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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.