Home / 446,590.20-669,885.30-396,823.80

Finding the Fourth Proportional to 446,590.20, 669,885.30 and 396,823.80

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Solution

The fourth proportional to 446,590.20, 669,885.30 and 396,823.80 is: 595,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,590.20 : 669,885.30 = 396,823.80 : x
  2. Step 2: Convert to fraction form
    446,590.20/669,885.30 = 396,823.80/x
  3. Step 3: Cross multiply
    446,590.20x = 669,885.30 × 396,823.80
  4. Step 4: Simplify right side
    446,590.20x = 265,826,430,310.14
  5. Step 5: Solve for x
    x = 265,826,430,310.14/446,590.20
  6. Step 6: Final answer
    x = 595,235.70

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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.