Finding the Fourth Proportional to 734,419.68, 1,101,629.52 and 201,996.96
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Solution
The fourth proportional to 734,419.68, 1,101,629.52 and 201,996.96 is: 302,995.44
Step by Step Solution
- Step 1: Write the proportion equation
734,419.68 : 1,101,629.52 = 201,996.96 : x - Step 2: Convert to fraction form
734,419.68/1,101,629.52 = 201,996.96/x - Step 3: Cross multiply
734,419.68x = 1,101,629.52 × 201,996.96 - Step 4: Simplify right side
734,419.68x = 222,525,814,086.26 - Step 5: Solve for x
x = 222,525,814,086.26/734,419.68 - Step 6: Final answer
x = 302,995.44
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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.