Finding the Fourth Proportional to 1,261,916.99, 1,741,436.45 and 688,957.14
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Solution
The fourth proportional to 1,261,916.99, 1,741,436.45 and 688,957.14 is: 950,755.95
Step by Step Solution
- Step 1: Write the proportion equation
1,261,916.99 : 1,741,436.45 = 688,957.14 : x - Step 2: Convert to fraction form
1,261,916.99/1,741,436.45 = 688,957.14/x - Step 3: Cross multiply
1,261,916.99x = 1,741,436.45 × 688,957.14 - Step 4: Simplify right side
1,261,916.99x = 1,199,775,081,752.94 - Step 5: Solve for x
x = 1,199,775,081,752.94/1,261,916.99 - Step 6: Final answer
x = 950,755.95
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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.