Finding the Fourth Proportional to 884,146.70, 1,220,122.29 and 481,738.70
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Solution
The fourth proportional to 884,146.70, 1,220,122.29 and 481,738.70 is: 664,799.32
Step by Step Solution
- Step 1: Write the proportion equation
884,146.70 : 1,220,122.29 = 481,738.70 : x - Step 2: Convert to fraction form
884,146.70/1,220,122.29 = 481,738.70/x - Step 3: Cross multiply
884,146.70x = 1,220,122.29 × 481,738.70 - Step 4: Simplify right side
884,146.70x = 587,780,125,825.62 - Step 5: Solve for x
x = 587,780,125,825.62/884,146.70 - Step 6: Final answer
x = 664,799.32
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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.