Home / 619,378.12-929,065.20-170,099.44

Finding the Fourth Proportional to 619,378.12, 929,065.20 and 170,099.44

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Solution

The fourth proportional to 619,378.12, 929,065.20 and 170,099.44 is: 255,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,378.12 : 929,065.20 = 170,099.44 : x
  2. Step 2: Convert to fraction form
    619,378.12/929,065.20 = 170,099.44/x
  3. Step 3: Cross multiply
    619,378.12x = 929,065.20 × 170,099.44
  4. Step 4: Simplify right side
    619,378.12x = 158,033,470,243.49
  5. Step 5: Solve for x
    x = 158,033,470,243.49/619,378.12
  6. Step 6: Final answer
    x = 255,148.62

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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.