Home / 1,167,865.52-1,611,650.04-631,321.52

Finding the Fourth Proportional to 1,167,865.52, 1,611,650.04 and 631,321.52

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Solution

The fourth proportional to 1,167,865.52, 1,611,650.04 and 631,321.52 is: 871,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,865.52 : 1,611,650.04 = 631,321.52 : x
  2. Step 2: Convert to fraction form
    1,167,865.52/1,611,650.04 = 631,321.52/x
  3. Step 3: Cross multiply
    1,167,865.52x = 1,611,650.04 × 631,321.52
  4. Step 4: Simplify right side
    1,167,865.52x = 1,017,469,352,960.86
  5. Step 5: Solve for x
    x = 1,017,469,352,960.86/1,167,865.52
  6. Step 6: Final answer
    x = 871,221.33

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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.