Finding the Fourth Proportional to 1,511,656.41, 2,086,125.36 and 823,354.36
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Solution
The fourth proportional to 1,511,656.41, 2,086,125.36 and 823,354.36 is: 1,136,250.53
Step by Step Solution
- Step 1: Write the proportion equation
1,511,656.41 : 2,086,125.36 = 823,354.36 : x - Step 2: Convert to fraction form
1,511,656.41/2,086,125.36 = 823,354.36/x - Step 3: Cross multiply
1,511,656.41x = 2,086,125.36 × 823,354.36 - Step 4: Simplify right side
1,511,656.41x = 1,717,620,400,231.94 - Step 5: Solve for x
x = 1,717,620,400,231.94/1,511,656.41 - Step 6: Final answer
x = 1,136,250.53
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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.