Finding the Fourth Proportional to 4,161,328.26, 6,241,992.40 and 1,169,512.26
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Solution
The fourth proportional to 4,161,328.26, 6,241,992.40 and 1,169,512.26 is: 1,754,268.39
Step by Step Solution
- Step 1: Write the proportion equation
4,161,328.26 : 6,241,992.40 = 1,169,512.26 : x - Step 2: Convert to fraction form
4,161,328.26/6,241,992.40 = 1,169,512.26/x - Step 3: Cross multiply
4,161,328.26x = 6,241,992.40 × 1,169,512.26 - Step 4: Simplify right side
4,161,328.26x = 7,300,086,638,626.82 - Step 5: Solve for x
x = 7,300,086,638,626.82/4,161,328.26 - Step 6: Final answer
x = 1,754,268.39
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Double scale
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1.5x scale
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.