Home / 414,384.24-621,173.16-264,155.76

Finding the Fourth Proportional to 414,384.24, 621,173.16 and 264,155.76

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Solution

The fourth proportional to 414,384.24, 621,173.16 and 264,155.76 is: 395,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,384.24 : 621,173.16 = 264,155.76 : x
  2. Step 2: Convert to fraction form
    414,384.24/621,173.16 = 264,155.76/x
  3. Step 3: Cross multiply
    414,384.24x = 621,173.16 × 264,155.76
  4. Step 4: Simplify right side
    414,384.24x = 164,086,468,171.40
  5. Step 5: Solve for x
    x = 164,086,468,171.40/414,384.24
  6. Step 6: Final answer
    x = 395,976.61

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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.