Finding the Fourth Proportional to 1,213,183.26, 1,819,782.27 and 539,106.12
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Solution
The fourth proportional to 1,213,183.26, 1,819,782.27 and 539,106.12 is: 808,662.46
Step by Step Solution
- Step 1: Write the proportion equation
1,213,183.26 : 1,819,782.27 = 539,106.12 : x - Step 2: Convert to fraction form
1,213,183.26/1,819,782.27 = 539,106.12/x - Step 3: Cross multiply
1,213,183.26x = 1,819,782.27 × 539,106.12 - Step 4: Simplify right side
1,213,183.26x = 981,055,758,824.49 - Step 5: Solve for x
x = 981,055,758,824.49/1,213,183.26 - Step 6: Final answer
x = 808,662.46
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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.