Finding the Fourth Proportional to 816,316.89, 1,224,473.96 and 283,837.06
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Solution
The fourth proportional to 816,316.89, 1,224,473.96 and 283,837.06 is: 425,755.12
Step by Step Solution
- Step 1: Write the proportion equation
816,316.89 : 1,224,473.96 = 283,837.06 : x - Step 2: Convert to fraction form
816,316.89/1,224,473.96 = 283,837.06/x - Step 3: Cross multiply
816,316.89x = 1,224,473.96 × 283,837.06 - Step 4: Simplify right side
816,316.89x = 347,551,091,093.14 - Step 5: Solve for x
x = 347,551,091,093.14/816,316.89 - Step 6: Final answer
x = 425,755.12
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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.