Finding the Fourth Proportional to 1,393,593.82, 1,922,764.10 and 812,842.29
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Solution
The fourth proportional to 1,393,593.82, 1,922,764.10 and 812,842.29 is: 1,121,491.75
Step by Step Solution
- Step 1: Write the proportion equation
1,393,593.82 : 1,922,764.10 = 812,842.29 : x - Step 2: Convert to fraction form
1,393,593.82/1,922,764.10 = 812,842.29/x - Step 3: Cross multiply
1,393,593.82x = 1,922,764.10 × 812,842.29 - Step 4: Simplify right side
1,393,593.82x = 1,562,903,971,824.19 - Step 5: Solve for x
x = 1,562,903,971,824.19/1,393,593.82 - Step 6: Final answer
x = 1,121,491.75
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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.