Home / 384,838.31-531,093.29-215,072.44

Finding the Fourth Proportional to 384,838.31, 531,093.29 and 215,072.44

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Solution

The fourth proportional to 384,838.31, 531,093.29 and 215,072.44 is: 296,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,838.31 : 531,093.29 = 215,072.44 : x
  2. Step 2: Convert to fraction form
    384,838.31/531,093.29 = 215,072.44/x
  3. Step 3: Cross multiply
    384,838.31x = 531,093.29 × 215,072.44
  4. Step 4: Simplify right side
    384,838.31x = 114,223,527,344.83
  5. Step 5: Solve for x
    x = 114,223,527,344.83/384,838.31
  6. Step 6: Final answer
    x = 296,809.14

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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.