Finding the Fourth Proportional to 1,644,497.83, 2,269,396.60 and 919,342.09
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Solution
The fourth proportional to 1,644,497.83, 2,269,396.60 and 919,342.09 is: 1,268,686.27
Step by Step Solution
- Step 1: Write the proportion equation
1,644,497.83 : 2,269,396.60 = 919,342.09 : x - Step 2: Convert to fraction form
1,644,497.83/2,269,396.60 = 919,342.09/x - Step 3: Cross multiply
1,644,497.83x = 2,269,396.60 × 919,342.09 - Step 4: Simplify right side
1,644,497.83x = 2,086,351,813,282.89 - Step 5: Solve for x
x = 2,086,351,813,282.89/1,644,497.83 - Step 6: Final answer
x = 1,268,686.27
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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.