Home / 405,905.52-560,209.08-233,789.97

Finding the Fourth Proportional to 405,905.52, 560,209.08 and 233,789.97

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Solution

The fourth proportional to 405,905.52, 560,209.08 and 233,789.97 is: 322,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,905.52 : 560,209.08 = 233,789.97 : x
  2. Step 2: Convert to fraction form
    405,905.52/560,209.08 = 233,789.97/x
  3. Step 3: Cross multiply
    405,905.52x = 560,209.08 × 233,789.97
  4. Step 4: Simplify right side
    405,905.52x = 130,971,264,006.93
  5. Step 5: Solve for x
    x = 130,971,264,006.93/405,905.52
  6. Step 6: Final answer
    x = 322,664.41

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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.