Finding the Fourth Proportional to 1,136,691.41, 1,705,309.58 and 378,539.44
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Solution
The fourth proportional to 1,136,691.41, 1,705,309.58 and 378,539.44 is: 567,899.90
Step by Step Solution
- Step 1: Write the proportion equation
1,136,691.41 : 1,705,309.58 = 378,539.44 : x - Step 2: Convert to fraction form
1,136,691.41/1,705,309.58 = 378,539.44/x - Step 3: Cross multiply
1,136,691.41x = 1,705,309.58 × 378,539.44 - Step 4: Simplify right side
1,136,691.41x = 645,526,933,439.84 - Step 5: Solve for x
x = 645,526,933,439.84/1,136,691.41 - Step 6: Final answer
x = 567,899.90
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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.