Finding the Fourth Proportional to 1,205,614.84, 1,665,129.30 and 793,991.66
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Solution
The fourth proportional to 1,205,614.84, 1,665,129.30 and 793,991.66 is: 1,096,617.87
Step by Step Solution
- Step 1: Write the proportion equation
1,205,614.84 : 1,665,129.30 = 793,991.66 : x - Step 2: Convert to fraction form
1,205,614.84/1,665,129.30 = 793,991.66/x - Step 3: Cross multiply
1,205,614.84x = 1,665,129.30 × 793,991.66 - Step 4: Simplify right side
1,205,614.84x = 1,322,098,777,021.64 - Step 5: Solve for x
x = 1,322,098,777,021.64/1,205,614.84 - Step 6: Final answer
x = 1,096,617.87
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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.