Home / 479,815.27-719,723.82-124,828.72

Finding the Fourth Proportional to 479,815.27, 719,723.82 and 124,828.72

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Solution

The fourth proportional to 479,815.27, 719,723.82 and 124,828.72 is: 187,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,815.27 : 719,723.82 = 124,828.72 : x
  2. Step 2: Convert to fraction form
    479,815.27/719,723.82 = 124,828.72/x
  3. Step 3: Cross multiply
    479,815.27x = 719,723.82 × 124,828.72
  4. Step 4: Simplify right side
    479,815.27x = 89,842,203,204.11
  5. Step 5: Solve for x
    x = 89,842,203,204.11/479,815.27
  6. Step 6: Final answer
    x = 187,243.32

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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.