Home / 479,815.41-719,723.97-124,828.86

Finding the Fourth Proportional to 479,815.41, 719,723.97 and 124,828.86

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Solution

The fourth proportional to 479,815.41, 719,723.97 and 124,828.86 is: 187,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,815.41 : 719,723.97 = 124,828.86 : x
  2. Step 2: Convert to fraction form
    479,815.41/719,723.97 = 124,828.86/x
  3. Step 3: Cross multiply
    479,815.41x = 719,723.97 × 124,828.86
  4. Step 4: Simplify right side
    479,815.41x = 89,842,322,689.77
  5. Step 5: Solve for x
    x = 89,842,322,689.77/479,815.41
  6. Step 6: Final answer
    x = 187,243.51

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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.