Finding the Fourth Proportional to 848,683.09, 1,171,147.01 and 481,184.96
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Solution
The fourth proportional to 848,683.09, 1,171,147.01 and 481,184.96 is: 664,015.02
Step by Step Solution
- Step 1: Write the proportion equation
848,683.09 : 1,171,147.01 = 481,184.96 : x - Step 2: Convert to fraction form
848,683.09/1,171,147.01 = 481,184.96/x - Step 3: Cross multiply
848,683.09x = 1,171,147.01 × 481,184.96 - Step 4: Simplify right side
848,683.09x = 563,538,318,899.31 - Step 5: Solve for x
x = 563,538,318,899.31/848,683.09 - Step 6: Final answer
x = 664,015.02
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1.5x scale
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.