Finding the Fourth Proportional to 764,874.24, 1,147,186.62 and 225,004.23
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Solution
The fourth proportional to 764,874.24, 1,147,186.62 and 225,004.23 is: 337,469.65
Step by Step Solution
- Step 1: Write the proportion equation
764,874.24 : 1,147,186.62 = 225,004.23 : x - Step 2: Convert to fraction form
764,874.24/1,147,186.62 = 225,004.23/x - Step 3: Cross multiply
764,874.24x = 1,147,186.62 × 225,004.23 - Step 4: Simplify right side
764,874.24x = 258,121,842,099.40 - Step 5: Solve for x
x = 258,121,842,099.40/764,874.24 - Step 6: Final answer
x = 337,469.65
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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.