Finding the Fourth Proportional to 1,136,715.68, 1,568,654.16 and 627,407.12
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Solution
The fourth proportional to 1,136,715.68, 1,568,654.16 and 627,407.12 is: 865,814.39
Step by Step Solution
- Step 1: Write the proportion equation
1,136,715.68 : 1,568,654.16 = 627,407.12 : x - Step 2: Convert to fraction form
1,136,715.68/1,568,654.16 = 627,407.12/x - Step 3: Cross multiply
1,136,715.68x = 1,568,654.16 × 627,407.12 - Step 4: Simplify right side
1,136,715.68x = 984,184,788,801.62 - Step 5: Solve for x
x = 984,184,788,801.62/1,136,715.68 - Step 6: Final answer
x = 865,814.39
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1.5x scale
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.