Home / 386,502.23-579,839.84-116,635.04

Finding the Fourth Proportional to 386,502.23, 579,839.84 and 116,635.04

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Solution

The fourth proportional to 386,502.23, 579,839.84 and 116,635.04 is: 174,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,502.23 : 579,839.84 = 116,635.04 : x
  2. Step 2: Convert to fraction form
    386,502.23/579,839.84 = 116,635.04/x
  3. Step 3: Cross multiply
    386,502.23x = 579,839.84 × 116,635.04
  4. Step 4: Simplify right side
    386,502.23x = 67,629,642,207.55
  5. Step 5: Solve for x
    x = 67,629,642,207.55/386,502.23
  6. Step 6: Final answer
    x = 174,978.66

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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.