Finding the Fourth Proportional to 1,327,917.84, 1,832,668.56 and 811,974.12
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Solution
The fourth proportional to 1,327,917.84, 1,832,668.56 and 811,974.12 is: 1,120,611.08
Step by Step Solution
- Step 1: Write the proportion equation
1,327,917.84 : 1,832,668.56 = 811,974.12 : x - Step 2: Convert to fraction form
1,327,917.84/1,832,668.56 = 811,974.12/x - Step 3: Cross multiply
1,327,917.84x = 1,832,668.56 × 811,974.12 - Step 4: Simplify right side
1,327,917.84x = 1,488,079,441,257.67 - Step 5: Solve for x
x = 1,488,079,441,257.67/1,327,917.84 - Step 6: Final answer
x = 1,120,611.08
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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.