Finding the Fourth Proportional to 833,938.19, 1,150,958.19 and 528,042.97
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Solution
The fourth proportional to 833,938.19, 1,150,958.19 and 528,042.97 is: 728,777.49
Step by Step Solution
- Step 1: Write the proportion equation
833,938.19 : 1,150,958.19 = 528,042.97 : x - Step 2: Convert to fraction form
833,938.19/1,150,958.19 = 528,042.97/x - Step 3: Cross multiply
833,938.19x = 1,150,958.19 × 528,042.97 - Step 4: Simplify right side
833,938.19x = 607,755,380,993.42 - Step 5: Solve for x
x = 607,755,380,993.42/833,938.19 - Step 6: Final answer
x = 728,777.49
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1.5x scale
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.