Home / 386,639.50-533,561.42-214,583.44

Finding the Fourth Proportional to 386,639.50, 533,561.42 and 214,583.44

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Solution

The fourth proportional to 386,639.50, 533,561.42 and 214,583.44 is: 296,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,639.50 : 533,561.42 = 214,583.44 : x
  2. Step 2: Convert to fraction form
    386,639.50/533,561.42 = 214,583.44/x
  3. Step 3: Cross multiply
    386,639.50x = 533,561.42 × 214,583.44
  4. Step 4: Simplify right side
    386,639.50x = 114,493,444,954.89
  5. Step 5: Solve for x
    x = 114,493,444,954.89/386,639.50
  6. Step 6: Final answer
    x = 296,124.54

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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.