Finding the Fourth Proportional to 774,292.76, 1,165,986.99 and 675,629.96
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Solution
The fourth proportional to 774,292.76, 1,165,986.99 and 675,629.96 is: 1,017,413.29
Step by Step Solution
- Step 1: Write the proportion equation
774,292.76 : 1,165,986.99 = 675,629.96 : x - Step 2: Convert to fraction form
774,292.76/1,165,986.99 = 675,629.96/x - Step 3: Cross multiply
774,292.76x = 1,165,986.99 × 675,629.96 - Step 4: Simplify right side
774,292.76x = 787,775,743,414.22 - Step 5: Solve for x
x = 787,775,743,414.22/774,292.76 - Step 6: Final answer
x = 1,017,413.29
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.