Home / 522,916.86-721,611.26-296,557.50

Finding the Fourth Proportional to 522,916.86, 721,611.26 and 296,557.50

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Solution

The fourth proportional to 522,916.86, 721,611.26 and 296,557.50 is: 409,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,916.86 : 721,611.26 = 296,557.50 : x
  2. Step 2: Convert to fraction form
    522,916.86/721,611.26 = 296,557.50/x
  3. Step 3: Cross multiply
    522,916.86x = 721,611.26 × 296,557.50
  4. Step 4: Simplify right side
    522,916.86x = 213,999,231,237.45
  5. Step 5: Solve for x
    x = 213,999,231,237.45/522,916.86
  6. Step 6: Final answer
    x = 409,241.41

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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.