Home / 382,618.56-527,795.04-229,615.68

Finding the Fourth Proportional to 382,618.56, 527,795.04 and 229,615.68

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Solution

The fourth proportional to 382,618.56, 527,795.04 and 229,615.68 is: 316,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,618.56 : 527,795.04 = 229,615.68 : x
  2. Step 2: Convert to fraction form
    382,618.56/527,795.04 = 229,615.68/x
  3. Step 3: Cross multiply
    382,618.56x = 527,795.04 × 229,615.68
  4. Step 4: Simplify right side
    382,618.56x = 121,190,017,010.23
  5. Step 5: Solve for x
    x = 121,190,017,010.23/382,618.56
  6. Step 6: Final answer
    x = 316,738.47

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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.