Home / 414,384.45-621,515.16-114,833.81

Finding the Fourth Proportional to 414,384.45, 621,515.16 and 114,833.81

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Solution

The fourth proportional to 414,384.45, 621,515.16 and 114,833.81 is: 172,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,384.45 : 621,515.16 = 114,833.81 : x
  2. Step 2: Convert to fraction form
    414,384.45/621,515.16 = 114,833.81/x
  3. Step 3: Cross multiply
    414,384.45x = 621,515.16 × 114,833.81
  4. Step 4: Simplify right side
    414,384.45x = 71,370,950,687.98
  5. Step 5: Solve for x
    x = 71,370,950,687.98/414,384.45
  6. Step 6: Final answer
    x = 172,233.66

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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.