Finding the Fourth Proportional to 1,136,442.75, 1,568,249.87 and 627,134.19
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Solution
The fourth proportional to 1,136,442.75, 1,568,249.87 and 627,134.19 is: 865,422.49
Step by Step Solution
- Step 1: Write the proportion equation
1,136,442.75 : 1,568,249.87 = 627,134.19 : x - Step 2: Convert to fraction form
1,136,442.75/1,568,249.87 = 627,134.19/x - Step 3: Cross multiply
1,136,442.75x = 1,568,249.87 × 627,134.19 - Step 4: Simplify right side
1,136,442.75x = 983,503,111,940.06 - Step 5: Solve for x
x = 983,503,111,940.06/1,136,442.75 - Step 6: Final answer
x = 865,422.49
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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.