Home / 883,919.25-1,219,808.57-481,511.25

Finding the Fourth Proportional to 883,919.25, 1,219,808.57 and 481,511.25

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Solution

The fourth proportional to 883,919.25, 1,219,808.57 and 481,511.25 is: 664,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,919.25 : 1,219,808.57 = 481,511.25 : x
  2. Step 2: Convert to fraction form
    883,919.25/1,219,808.57 = 481,511.25/x
  3. Step 3: Cross multiply
    883,919.25x = 1,219,808.57 × 481,511.25
  4. Step 4: Simplify right side
    883,919.25x = 587,351,546,893.86
  5. Step 5: Solve for x
    x = 587,351,546,893.86/883,919.25
  6. Step 6: Final answer
    x = 664,485.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.