Finding the Fourth Proportional to 1,279,657.44, 1,916,910.97 and 606,387.97
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Solution
The fourth proportional to 1,279,657.44, 1,916,910.97 and 606,387.97 is: 908,361.66
Step by Step Solution
- Step 1: Write the proportion equation
1,279,657.44 : 1,916,910.97 = 606,387.97 : x - Step 2: Convert to fraction form
1,279,657.44/1,916,910.97 = 606,387.97/x - Step 3: Cross multiply
1,279,657.44x = 1,916,910.97 × 606,387.97 - Step 4: Simplify right side
1,279,657.44x = 1,162,391,752,649.20 - Step 5: Solve for x
x = 1,162,391,752,649.20/1,279,657.44 - Step 6: Final answer
x = 908,361.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.