Home / 446,458.20-669,104.10-180,000.60

Finding the Fourth Proportional to 446,458.20, 669,104.10 and 180,000.60

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Solution

The fourth proportional to 446,458.20, 669,104.10 and 180,000.60 is: 269,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,458.20 : 669,104.10 = 180,000.60 : x
  2. Step 2: Convert to fraction form
    446,458.20/669,104.10 = 180,000.60/x
  3. Step 3: Cross multiply
    446,458.20x = 669,104.10 × 180,000.60
  4. Step 4: Simplify right side
    446,458.20x = 120,439,139,462.46
  5. Step 5: Solve for x
    x = 120,439,139,462.46/446,458.20
  6. Step 6: Final answer
    x = 269,765.77

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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.