Finding the Fourth Proportional to 1,163,453.60, 1,605,850.96 and 711,123.68
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Solution
The fourth proportional to 1,163,453.60, 1,605,850.96 and 711,123.68 is: 981,524.87
Step by Step Solution
- Step 1: Write the proportion equation
1,163,453.60 : 1,605,850.96 = 711,123.68 : x - Step 2: Convert to fraction form
1,163,453.60/1,605,850.96 = 711,123.68/x - Step 3: Cross multiply
1,163,453.60x = 1,605,850.96 × 711,123.68 - Step 4: Simplify right side
1,163,453.60x = 1,141,958,644,206.73 - Step 5: Solve for x
x = 1,141,958,644,206.73/1,163,453.60 - Step 6: Final answer
x = 981,524.87
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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.