Home / 802,076.10-1,203,114.15-329,100.90

Finding the Fourth Proportional to 802,076.10, 1,203,114.15 and 329,100.90

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Solution

The fourth proportional to 802,076.10, 1,203,114.15 and 329,100.90 is: 493,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,076.10 : 1,203,114.15 = 329,100.90 : x
  2. Step 2: Convert to fraction form
    802,076.10/1,203,114.15 = 329,100.90/x
  3. Step 3: Cross multiply
    802,076.10x = 1,203,114.15 × 329,100.90
  4. Step 4: Simplify right side
    802,076.10x = 395,945,949,567.74
  5. Step 5: Solve for x
    x = 395,945,949,567.74/802,076.10
  6. Step 6: Final answer
    x = 493,651.35

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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.