Home / 351,040.20-526,560.30-262,912.20

Finding the Fourth Proportional to 351,040.20, 526,560.30 and 262,912.20

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Solution

The fourth proportional to 351,040.20, 526,560.30 and 262,912.20 is: 394,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,040.20 : 526,560.30 = 262,912.20 : x
  2. Step 2: Convert to fraction form
    351,040.20/526,560.30 = 262,912.20/x
  3. Step 3: Cross multiply
    351,040.20x = 526,560.30 × 262,912.20
  4. Step 4: Simplify right side
    351,040.20x = 138,439,126,905.66
  5. Step 5: Solve for x
    x = 138,439,126,905.66/351,040.20
  6. Step 6: Final answer
    x = 394,368.30

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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.