Finding the Fourth Proportional to 585,982.60, 878,858.70 and 191,998.60
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Solution
The fourth proportional to 585,982.60, 878,858.70 and 191,998.60 is: 287,960.15
Step by Step Solution
- Step 1: Write the proportion equation
585,982.60 : 878,858.70 = 191,998.60 : x - Step 2: Convert to fraction form
585,982.60/878,858.70 = 191,998.60/x - Step 3: Cross multiply
585,982.60x = 878,858.70 × 191,998.60 - Step 4: Simplify right side
585,982.60x = 168,739,639,997.82 - Step 5: Solve for x
x = 168,739,639,997.82/585,982.60 - Step 6: Final answer
x = 287,960.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.