Finding the Fourth Proportional to 1,057,805.36, 1,586,759.07 and 347,817.68
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Solution
The fourth proportional to 1,057,805.36, 1,586,759.07 and 347,817.68 is: 521,743.30
Step by Step Solution
- Step 1: Write the proportion equation
1,057,805.36 : 1,586,759.07 = 347,817.68 : x - Step 2: Convert to fraction form
1,057,805.36/1,586,759.07 = 347,817.68/x - Step 3: Cross multiply
1,057,805.36x = 1,586,759.07 × 347,817.68 - Step 4: Simplify right side
1,057,805.36x = 551,902,858,446.36 - Step 5: Solve for x
x = 551,902,858,446.36/1,057,805.36 - Step 6: Final answer
x = 521,743.30
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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.