Home / 351,008.20-526,512.30-288,022.60

Finding the Fourth Proportional to 351,008.20, 526,512.30 and 288,022.60

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Solution

The fourth proportional to 351,008.20, 526,512.30 and 288,022.60 is: 432,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,008.20 : 526,512.30 = 288,022.60 : x
  2. Step 2: Convert to fraction form
    351,008.20/526,512.30 = 288,022.60/x
  3. Step 3: Cross multiply
    351,008.20x = 526,512.30 × 288,022.60
  4. Step 4: Simplify right side
    351,008.20x = 151,647,441,577.98
  5. Step 5: Solve for x
    x = 151,647,441,577.98/351,008.20
  6. Step 6: Final answer
    x = 432,033.90

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1.5x scale

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.