Finding the Fourth Proportional to 590,991.75, 886,487.63 and 147,759.75
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Solution
The fourth proportional to 590,991.75, 886,487.63 and 147,759.75 is: 221,639.63
Step by Step Solution
- Step 1: Write the proportion equation
590,991.75 : 886,487.63 = 147,759.75 : x - Step 2: Convert to fraction form
590,991.75/886,487.63 = 147,759.75/x - Step 3: Cross multiply
590,991.75x = 886,487.63 × 147,759.75 - Step 4: Simplify right side
590,991.75x = 130,987,189,848.09 - Step 5: Solve for x
x = 130,987,189,848.09/590,991.75 - Step 6: Final answer
x = 221,639.63
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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.