Finding the Fourth Proportional to 1,136,683.20, 1,568,619.84 and 627,382.08
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Solution
The fourth proportional to 1,136,683.20, 1,568,619.84 and 627,382.08 is: 865,785.63
Step by Step Solution
- Step 1: Write the proportion equation
1,136,683.20 : 1,568,619.84 = 627,382.08 : x - Step 2: Convert to fraction form
1,136,683.20/1,568,619.84 = 627,382.08/x - Step 3: Cross multiply
1,136,683.20x = 1,568,619.84 × 627,382.08 - Step 4: Simplify right side
1,136,683.20x = 984,123,977,948.47 - Step 5: Solve for x
x = 984,123,977,948.47/1,136,683.20 - Step 6: Final answer
x = 865,785.63
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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.