Home / 427,616.96-641,611.46-268,058.57

Finding the Fourth Proportional to 427,616.96, 641,611.46 and 268,058.57

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Solution

The fourth proportional to 427,616.96, 641,611.46 and 268,058.57 is: 402,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,616.96 : 641,611.46 = 268,058.57 : x
  2. Step 2: Convert to fraction form
    427,616.96/641,611.46 = 268,058.57/x
  3. Step 3: Cross multiply
    427,616.96x = 641,611.46 × 268,058.57
  4. Step 4: Simplify right side
    427,616.96x = 171,989,447,925.30
  5. Step 5: Solve for x
    x = 171,989,447,925.30/427,616.96
  6. Step 6: Final answer
    x = 402,204.46

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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.