Home / 828,400.32-1,242,861.30-295,909.56

Finding the Fourth Proportional to 828,400.32, 1,242,861.30 and 295,909.56

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Solution

The fourth proportional to 828,400.32, 1,242,861.30 and 295,909.56 is: 443,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,400.32 : 1,242,861.30 = 295,909.56 : x
  2. Step 2: Convert to fraction form
    828,400.32/1,242,861.30 = 295,909.56/x
  3. Step 3: Cross multiply
    828,400.32x = 1,242,861.30 × 295,909.56
  4. Step 4: Simplify right side
    828,400.32x = 367,774,540,424.03
  5. Step 5: Solve for x
    x = 367,774,540,424.03/828,400.32
  6. Step 6: Final answer
    x = 443,957.51

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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.