Finding the Fourth Proportional to 741,219.63, 1,022,883.97 and 401,687.88
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Solution
The fourth proportional to 741,219.63, 1,022,883.97 and 401,687.88 is: 554,329.75
Step by Step Solution
- Step 1: Write the proportion equation
741,219.63 : 1,022,883.97 = 401,687.88 : x - Step 2: Convert to fraction form
741,219.63/1,022,883.97 = 401,687.88/x - Step 3: Cross multiply
741,219.63x = 1,022,883.97 × 401,687.88 - Step 4: Simplify right side
741,219.63x = 410,880,097,231.10 - Step 5: Solve for x
x = 410,880,097,231.10/741,219.63 - Step 6: Final answer
x = 554,329.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.