Home / 464,896.13-641,572.72-258,168

Finding the Fourth Proportional to 464,896.13, 641,572.72 and 258,168

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Solution

The fourth proportional to 464,896.13, 641,572.72 and 258,168 is: 356,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,896.13 : 641,572.72 = 258,168 : x
  2. Step 2: Convert to fraction form
    464,896.13/641,572.72 = 258,168/x
  3. Step 3: Cross multiply
    464,896.13x = 641,572.72 × 258,168
  4. Step 4: Simplify right side
    464,896.13x = 165,633,545,976.96
  5. Step 5: Solve for x
    x = 165,633,545,976.96/464,896.13
  6. Step 6: Final answer
    x = 356,280.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.