Home / 1,085,977.80-1,628,958.60-327,817.80

Finding the Fourth Proportional to 1,085,977.80, 1,628,958.60 and 327,817.80

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Solution

The fourth proportional to 1,085,977.80, 1,628,958.60 and 327,817.80 is: 491,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,977.80 : 1,628,958.60 = 327,817.80 : x
  2. Step 2: Convert to fraction form
    1,085,977.80/1,628,958.60 = 327,817.80/x
  3. Step 3: Cross multiply
    1,085,977.80x = 1,628,958.60 × 327,817.80
  4. Step 4: Simplify right side
    1,085,977.80x = 534,001,624,543.08
  5. Step 5: Solve for x
    x = 534,001,624,543.08/1,085,977.80
  6. Step 6: Final answer
    x = 491,724.25

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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.