Home / 993,565.40-1,489,619.10-394,230.20

Finding the Fourth Proportional to 993,565.40, 1,489,619.10 and 394,230.20

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Solution

The fourth proportional to 993,565.40, 1,489,619.10 and 394,230.20 is: 591,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,565.40 : 1,489,619.10 = 394,230.20 : x
  2. Step 2: Convert to fraction form
    993,565.40/1,489,619.10 = 394,230.20/x
  3. Step 3: Cross multiply
    993,565.40x = 1,489,619.10 × 394,230.20
  4. Step 4: Simplify right side
    993,565.40x = 587,252,835,716.82
  5. Step 5: Solve for x
    x = 587,252,835,716.82/993,565.40
  6. Step 6: Final answer
    x = 591,056.04

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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.