Home / 905,857.20-1,359,563.40-401,194.80

Finding the Fourth Proportional to 905,857.20, 1,359,563.40 and 401,194.80

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Solution

The fourth proportional to 905,857.20, 1,359,563.40 and 401,194.80 is: 602,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,857.20 : 1,359,563.40 = 401,194.80 : x
  2. Step 2: Convert to fraction form
    905,857.20/1,359,563.40 = 401,194.80/x
  3. Step 3: Cross multiply
    905,857.20x = 1,359,563.40 × 401,194.80
  4. Step 4: Simplify right side
    905,857.20x = 545,449,766,350.32
  5. Step 5: Solve for x
    x = 545,449,766,350.32/905,857.20
  6. Step 6: Final answer
    x = 602,136.59

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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.