Finding the Fourth Proportional to 804,163.14, 1,109,701.62 and 441,634.68
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Solution
The fourth proportional to 804,163.14, 1,109,701.62 and 441,634.68 is: 609,431.96
Step by Step Solution
- Step 1: Write the proportion equation
804,163.14 : 1,109,701.62 = 441,634.68 : x - Step 2: Convert to fraction form
804,163.14/1,109,701.62 = 441,634.68/x - Step 3: Cross multiply
804,163.14x = 1,109,701.62 × 441,634.68 - Step 4: Simplify right side
804,163.14x = 490,082,719,844.18 - Step 5: Solve for x
x = 490,082,719,844.18/804,163.14 - Step 6: Final answer
x = 609,431.96
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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.