Home / 663,006.20-994,217.70-263,514.20

Finding the Fourth Proportional to 663,006.20, 994,217.70 and 263,514.20

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Solution

The fourth proportional to 663,006.20, 994,217.70 and 263,514.20 is: 395,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,006.20 : 994,217.70 = 263,514.20 : x
  2. Step 2: Convert to fraction form
    663,006.20/994,217.70 = 263,514.20/x
  3. Step 3: Cross multiply
    663,006.20x = 994,217.70 × 263,514.20
  4. Step 4: Simplify right side
    663,006.20x = 261,990,481,841.34
  5. Step 5: Solve for x
    x = 261,990,481,841.34/663,006.20
  6. Step 6: Final answer
    x = 395,155.40

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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.