Finding the Fourth Proportional to 734,747.40, 1,102,121.10 and 730,081.80
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Solution
The fourth proportional to 734,747.40, 1,102,121.10 and 730,081.80 is: 1,095,122.70
Step by Step Solution
- Step 1: Write the proportion equation
734,747.40 : 1,102,121.10 = 730,081.80 : x - Step 2: Convert to fraction form
734,747.40/1,102,121.10 = 730,081.80/x - Step 3: Cross multiply
734,747.40x = 1,102,121.10 × 730,081.80 - Step 4: Simplify right side
734,747.40x = 804,638,556,505.98 - Step 5: Solve for x
x = 804,638,556,505.98/734,747.40 - Step 6: Final answer
x = 1,095,122.70
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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.