Home / 446,584.20-669,876.30-396,817.80

Finding the Fourth Proportional to 446,584.20, 669,876.30 and 396,817.80

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Solution

The fourth proportional to 446,584.20, 669,876.30 and 396,817.80 is: 595,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,584.20 : 669,876.30 = 396,817.80 : x
  2. Step 2: Convert to fraction form
    446,584.20/669,876.30 = 396,817.80/x
  3. Step 3: Cross multiply
    446,584.20x = 669,876.30 × 396,817.80
  4. Step 4: Simplify right side
    446,584.20x = 265,818,839,638.14
  5. Step 5: Solve for x
    x = 265,818,839,638.14/446,584.20
  6. Step 6: Final answer
    x = 595,226.70

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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.