Home / 663,004.20-994,214.70-263,512.20

Finding the Fourth Proportional to 663,004.20, 994,214.70 and 263,512.20

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Solution

The fourth proportional to 663,004.20, 994,214.70 and 263,512.20 is: 395,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,004.20 : 994,214.70 = 263,512.20 : x
  2. Step 2: Convert to fraction form
    663,004.20/994,214.70 = 263,512.20/x
  3. Step 3: Cross multiply
    663,004.20x = 994,214.70 × 263,512.20
  4. Step 4: Simplify right side
    663,004.20x = 261,987,702,869.34
  5. Step 5: Solve for x
    x = 261,987,702,869.34/663,004.20
  6. Step 6: Final answer
    x = 395,152.40

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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.