Finding the Fourth Proportional to 1,136,736.19, 1,568,696.08 and 627,438.70
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Solution
The fourth proportional to 1,136,736.19, 1,568,696.08 and 627,438.70 is: 865,865.48
Step by Step Solution
- Step 1: Write the proportion equation
1,136,736.19 : 1,568,696.08 = 627,438.70 : x - Step 2: Convert to fraction form
1,136,736.19/1,568,696.08 = 627,438.70/x - Step 3: Cross multiply
1,136,736.19x = 1,568,696.08 × 627,438.70 - Step 4: Simplify right side
1,136,736.19x = 984,260,629,130.30 - Step 5: Solve for x
x = 984,260,629,130.30/1,136,736.19 - Step 6: Final answer
x = 865,865.48
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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.