Finding the Fourth Proportional to 941,609.22, 1,299,405.42 and 511,900.08
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Solution
The fourth proportional to 941,609.22, 1,299,405.42 and 511,900.08 is: 706,413.79
Step by Step Solution
- Step 1: Write the proportion equation
941,609.22 : 1,299,405.42 = 511,900.08 : x - Step 2: Convert to fraction form
941,609.22/1,299,405.42 = 511,900.08/x - Step 3: Cross multiply
941,609.22x = 1,299,405.42 × 511,900.08 - Step 4: Simplify right side
941,609.22x = 665,165,738,450.43 - Step 5: Solve for x
x = 665,165,738,450.43/941,609.22 - Step 6: Final answer
x = 706,413.79
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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.