Finding the Fourth Proportional to 1,083,135.97, 1,494,743.39 and 623,997.19
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Solution
The fourth proportional to 1,083,135.97, 1,494,743.39 and 623,997.19 is: 861,125.20
Step by Step Solution
- Step 1: Write the proportion equation
1,083,135.97 : 1,494,743.39 = 623,997.19 : x - Step 2: Convert to fraction form
1,083,135.97/1,494,743.39 = 623,997.19/x - Step 3: Cross multiply
1,083,135.97x = 1,494,743.39 × 623,997.19 - Step 4: Simplify right side
1,083,135.97x = 932,715,675,131.07 - Step 5: Solve for x
x = 932,715,675,131.07/1,083,135.97 - Step 6: Final answer
x = 861,125.20
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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.