Finding the Fourth Proportional to 1,136,911.75, 1,568,897.09 and 627,603.19
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Solution
The fourth proportional to 1,136,911.75, 1,568,897.09 and 627,603.19 is: 866,069.70
Step by Step Solution
- Step 1: Write the proportion equation
1,136,911.75 : 1,568,897.09 = 627,603.19 : x - Step 2: Convert to fraction form
1,136,911.75/1,568,897.09 = 627,603.19/x - Step 3: Cross multiply
1,136,911.75x = 1,568,897.09 × 627,603.19 - Step 4: Simplify right side
1,136,911.75x = 984,644,818,465.72 - Step 5: Solve for x
x = 984,644,818,465.72/1,136,911.75 - Step 6: Final answer
x = 866,069.70
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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.