Home / 993,566.40-1,489,620.60-394,231.20

Finding the Fourth Proportional to 993,566.40, 1,489,620.60 and 394,231.20

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Solution

The fourth proportional to 993,566.40, 1,489,620.60 and 394,231.20 is: 591,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,566.40 : 1,489,620.60 = 394,231.20 : x
  2. Step 2: Convert to fraction form
    993,566.40/1,489,620.60 = 394,231.20/x
  3. Step 3: Cross multiply
    993,566.40x = 1,489,620.60 × 394,231.20
  4. Step 4: Simplify right side
    993,566.40x = 587,254,916,682.72
  5. Step 5: Solve for x
    x = 587,254,916,682.72/993,566.40
  6. Step 6: Final answer
    x = 591,057.54

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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.