Finding the Fourth Proportional to 1,173,755.14, 1,619,788.84 and 690,340.66
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Solution
The fourth proportional to 1,173,755.14, 1,619,788.84 and 690,340.66 is: 952,674.08
Step by Step Solution
- Step 1: Write the proportion equation
1,173,755.14 : 1,619,788.84 = 690,340.66 : x - Step 2: Convert to fraction form
1,173,755.14/1,619,788.84 = 690,340.66/x - Step 3: Cross multiply
1,173,755.14x = 1,619,788.84 × 690,340.66 - Step 4: Simplify right side
1,173,755.14x = 1,118,206,096,866.23 - Step 5: Solve for x
x = 1,118,206,096,866.23/1,173,755.14 - Step 6: Final answer
x = 952,674.08
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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.