Finding the Fourth Proportional to 1,136,638.35, 1,568,553.33 and 627,340.71
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Solution
The fourth proportional to 1,136,638.35, 1,568,553.33 and 627,340.71 is: 865,725.99
Step by Step Solution
- Step 1: Write the proportion equation
1,136,638.35 : 1,568,553.33 = 627,340.71 : x - Step 2: Convert to fraction form
1,136,638.35/1,568,553.33 = 627,340.71/x - Step 3: Cross multiply
1,136,638.35x = 1,568,553.33 × 627,340.71 - Step 4: Simplify right side
1,136,638.35x = 984,017,359,715.06 - Step 5: Solve for x
x = 984,017,359,715.06/1,136,638.35 - Step 6: Final answer
x = 865,725.99
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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.