Finding the Fourth Proportional to 1,136,654.57, 1,568,583.32 and 774,710.75
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Solution
The fourth proportional to 1,136,654.57, 1,568,583.32 and 774,710.75 is: 1,069,100.84
Step by Step Solution
- Step 1: Write the proportion equation
1,136,654.57 : 1,568,583.32 = 774,710.75 : x - Step 2: Convert to fraction form
1,136,654.57/1,568,583.32 = 774,710.75/x - Step 3: Cross multiply
1,136,654.57x = 1,568,583.32 × 774,710.75 - Step 4: Simplify right side
1,136,654.57x = 1,215,198,348,558.22 - Step 5: Solve for x
x = 1,215,198,348,558.22/1,136,654.57 - Step 6: Final answer
x = 1,069,100.84
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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.