Home / 802,110.80-1,203,166.20-329,135.60

Finding the Fourth Proportional to 802,110.80, 1,203,166.20 and 329,135.60

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Solution

The fourth proportional to 802,110.80, 1,203,166.20 and 329,135.60 is: 493,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,110.80 : 1,203,166.20 = 329,135.60 : x
  2. Step 2: Convert to fraction form
    802,110.80/1,203,166.20 = 329,135.60/x
  3. Step 3: Cross multiply
    802,110.80x = 1,203,166.20 × 329,135.60
  4. Step 4: Simplify right side
    802,110.80x = 396,004,829,136.72
  5. Step 5: Solve for x
    x = 396,004,829,136.72/802,110.80
  6. Step 6: Final answer
    x = 493,703.40

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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.