Finding the Fourth Proportional to 1,227,785.87, 1,694,362.52 and 711,577.94
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Solution
The fourth proportional to 1,227,785.87, 1,694,362.52 and 711,577.94 is: 981,987.99
Step by Step Solution
- Step 1: Write the proportion equation
1,227,785.87 : 1,694,362.52 = 711,577.94 : x - Step 2: Convert to fraction form
1,227,785.87/1,694,362.52 = 711,577.94/x - Step 3: Cross multiply
1,227,785.87x = 1,694,362.52 × 711,577.94 - Step 4: Simplify right side
1,227,785.87x = 1,205,670,984,901.94 - Step 5: Solve for x
x = 1,205,670,984,901.94/1,227,785.87 - Step 6: Final answer
x = 981,987.99
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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.