Home / 484,524.81-726,731.85-129,566.52

Finding the Fourth Proportional to 484,524.81, 726,731.85 and 129,566.52

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Solution

The fourth proportional to 484,524.81, 726,731.85 and 129,566.52 is: 194,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,524.81 : 726,731.85 = 129,566.52 : x
  2. Step 2: Convert to fraction form
    484,524.81/726,731.85 = 129,566.52/x
  3. Step 3: Cross multiply
    484,524.81x = 726,731.85 × 129,566.52
  4. Step 4: Simplify right side
    484,524.81x = 94,160,116,777.66
  5. Step 5: Solve for x
    x = 94,160,116,777.66/484,524.81
  6. Step 6: Final answer
    x = 194,334.97

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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.