Finding the Fourth Proportional to 1,136,193.11, 1,704,163.77 and 406,687.19
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Solution
The fourth proportional to 1,136,193.11, 1,704,163.77 and 406,687.19 is: 609,985.72
Step by Step Solution
- Step 1: Write the proportion equation
1,136,193.11 : 1,704,163.77 = 406,687.19 : x - Step 2: Convert to fraction form
1,136,193.11/1,704,163.77 = 406,687.19/x - Step 3: Cross multiply
1,136,193.11x = 1,704,163.77 × 406,687.19 - Step 4: Simplify right side
1,136,193.11x = 693,061,580,241.41 - Step 5: Solve for x
x = 693,061,580,241.41/1,136,193.11 - Step 6: Final answer
x = 609,985.72
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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.