Home / 929,034.90-1,393,224.30-330,015.60

Finding the Fourth Proportional to 929,034.90, 1,393,224.30 and 330,015.60

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Solution

The fourth proportional to 929,034.90, 1,393,224.30 and 330,015.60 is: 494,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,034.90 : 1,393,224.30 = 330,015.60 : x
  2. Step 2: Convert to fraction form
    929,034.90/1,393,224.30 = 330,015.60/x
  3. Step 3: Cross multiply
    929,034.90x = 1,393,224.30 × 330,015.60
  4. Step 4: Simplify right side
    929,034.90x = 459,785,753,299.08
  5. Step 5: Solve for x
    x = 459,785,753,299.08/929,034.90
  6. Step 6: Final answer
    x = 494,906.87

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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.