Home / 285,514.60-427,350.30-263,396.20

Finding the Fourth Proportional to 285,514.60, 427,350.30 and 263,396.20

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Solution

The fourth proportional to 285,514.60, 427,350.30 and 263,396.20 is: 394,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,514.60 : 427,350.30 = 263,396.20 : x
  2. Step 2: Convert to fraction form
    285,514.60/427,350.30 = 263,396.20/x
  3. Step 3: Cross multiply
    285,514.60x = 427,350.30 × 263,396.20
  4. Step 4: Simplify right side
    285,514.60x = 112,562,445,088.86
  5. Step 5: Solve for x
    x = 112,562,445,088.86/285,514.60
  6. Step 6: Final answer
    x = 394,244.10

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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.