Home / 854,359.20-1,281,538.80-454,794.30

Finding the Fourth Proportional to 854,359.20, 1,281,538.80 and 454,794.30

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Solution

The fourth proportional to 854,359.20, 1,281,538.80 and 454,794.30 is: 682,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,359.20 : 1,281,538.80 = 454,794.30 : x
  2. Step 2: Convert to fraction form
    854,359.20/1,281,538.80 = 454,794.30/x
  3. Step 3: Cross multiply
    854,359.20x = 1,281,538.80 × 454,794.30
  4. Step 4: Simplify right side
    854,359.20x = 582,836,541,468.84
  5. Step 5: Solve for x
    x = 582,836,541,468.84/854,359.20
  6. Step 6: Final answer
    x = 682,191.45

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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.