Home / 446,912.40-669,931.20-180,317.10

Finding the Fourth Proportional to 446,912.40, 669,931.20 and 180,317.10

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Solution

The fourth proportional to 446,912.40, 669,931.20 and 180,317.10 is: 270,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,912.40 : 669,931.20 = 180,317.10 : x
  2. Step 2: Convert to fraction form
    446,912.40/669,931.20 = 180,317.10/x
  3. Step 3: Cross multiply
    446,912.40x = 669,931.20 × 180,317.10
  4. Step 4: Simplify right side
    446,912.40x = 120,800,051,183.52
  5. Step 5: Solve for x
    x = 120,800,051,183.52/446,912.40
  6. Step 6: Final answer
    x = 270,299.17

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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.