Home / 621,845.70-933,229.35-248,136.90

Finding the Fourth Proportional to 621,845.70, 933,229.35 and 248,136.90

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Solution

The fourth proportional to 621,845.70, 933,229.35 and 248,136.90 is: 372,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,845.70 : 933,229.35 = 248,136.90 : x
  2. Step 2: Convert to fraction form
    621,845.70/933,229.35 = 248,136.90/x
  3. Step 3: Cross multiply
    621,845.70x = 933,229.35 × 248,136.90
  4. Step 4: Simplify right side
    621,845.70x = 231,568,637,898.02
  5. Step 5: Solve for x
    x = 231,568,637,898.02/621,845.70
  6. Step 6: Final answer
    x = 372,389.22

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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.