Finding the Fourth Proportional to 1,167,129.84, 1,611,177.03 and 823,245.96
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Solution
The fourth proportional to 1,167,129.84, 1,611,177.03 and 823,245.96 is: 1,136,458.80
Step by Step Solution
- Step 1: Write the proportion equation
1,167,129.84 : 1,611,177.03 = 823,245.96 : x - Step 2: Convert to fraction form
1,167,129.84/1,611,177.03 = 823,245.96/x - Step 3: Cross multiply
1,167,129.84x = 1,611,177.03 × 823,245.96 - Step 4: Simplify right side
1,167,129.84x = 1,326,394,980,792.30 - Step 5: Solve for x
x = 1,326,394,980,792.30/1,167,129.84 - Step 6: Final answer
x = 1,136,458.80
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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.