Home / 386,904.51-580,159.19-227,292.19

Finding the Fourth Proportional to 386,904.51, 580,159.19 and 227,292.19

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Solution

The fourth proportional to 386,904.51, 580,159.19 and 227,292.19 is: 340,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,904.51 : 580,159.19 = 227,292.19 : x
  2. Step 2: Convert to fraction form
    386,904.51/580,159.19 = 227,292.19/x
  3. Step 3: Cross multiply
    386,904.51x = 580,159.19 × 227,292.19
  4. Step 4: Simplify right side
    386,904.51x = 131,865,651,961.56
  5. Step 5: Solve for x
    x = 131,865,651,961.56/386,904.51
  6. Step 6: Final answer
    x = 340,822.21

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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.