Finding the Fourth Proportional to 770,069.52, 1,062,269.40 and 447,744
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Solution
The fourth proportional to 770,069.52, 1,062,269.40 and 447,744 is: 617,638.72
Step by Step Solution
- Step 1: Write the proportion equation
770,069.52 : 1,062,269.40 = 447,744 : x - Step 2: Convert to fraction form
770,069.52/1,062,269.40 = 447,744/x - Step 3: Cross multiply
770,069.52x = 1,062,269.40 × 447,744 - Step 4: Simplify right side
770,069.52x = 475,624,750,233.60 - Step 5: Solve for x
x = 475,624,750,233.60/770,069.52 - Step 6: Final answer
x = 617,638.72
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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.