Finding the Fourth Proportional to 804,553.26, 1,207,338.99 and 449,799.99
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Solution
The fourth proportional to 804,553.26, 1,207,338.99 and 449,799.99 is: 674,984.61
Step by Step Solution
- Step 1: Write the proportion equation
804,553.26 : 1,207,338.99 = 449,799.99 : x - Step 2: Convert to fraction form
804,553.26/1,207,338.99 = 449,799.99/x - Step 3: Cross multiply
804,553.26x = 1,207,338.99 × 449,799.99 - Step 4: Simplify right side
804,553.26x = 543,061,065,628.61 - Step 5: Solve for x
x = 543,061,065,628.61/804,553.26 - Step 6: Final answer
x = 674,984.61
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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.