Finding the Fourth Proportional to 1,231,213.04, 1,695,284.12 and 1,049,517.68
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Solution
The fourth proportional to 1,231,213.04, 1,695,284.12 and 1,049,517.68 is: 1,445,103.81
Step by Step Solution
- Step 1: Write the proportion equation
1,231,213.04 : 1,695,284.12 = 1,049,517.68 : x - Step 2: Convert to fraction form
1,231,213.04/1,695,284.12 = 1,049,517.68/x - Step 3: Cross multiply
1,231,213.04x = 1,695,284.12 × 1,049,517.68 - Step 4: Simplify right side
1,231,213.04x = 1,779,230,656,563.24 - Step 5: Solve for x
x = 1,779,230,656,563.24/1,231,213.04 - Step 6: Final answer
x = 1,445,103.81
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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.