Finding the Fourth Proportional to 871,627.04, 1,202,876.15 and 484,450.18
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Solution
The fourth proportional to 871,627.04, 1,202,876.15 and 484,450.18 is: 668,558.39
Step by Step Solution
- Step 1: Write the proportion equation
871,627.04 : 1,202,876.15 = 484,450.18 : x - Step 2: Convert to fraction form
871,627.04/1,202,876.15 = 484,450.18/x - Step 3: Cross multiply
871,627.04x = 1,202,876.15 × 484,450.18 - Step 4: Simplify right side
871,627.04x = 582,733,567,385.21 - Step 5: Solve for x
x = 582,733,567,385.21/871,627.04 - Step 6: Final answer
x = 668,558.39
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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.