Finding the Fourth Proportional to 1,225,503.14, 1,691,170.08 and 681,627.23
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Solution
The fourth proportional to 1,225,503.14, 1,691,170.08 and 681,627.23 is: 940,632.08
Step by Step Solution
- Step 1: Write the proportion equation
1,225,503.14 : 1,691,170.08 = 681,627.23 : x - Step 2: Convert to fraction form
1,225,503.14/1,691,170.08 = 681,627.23/x - Step 3: Cross multiply
1,225,503.14x = 1,691,170.08 × 681,627.23 - Step 4: Simplify right side
1,225,503.14x = 1,152,747,568,633.43 - Step 5: Solve for x
x = 1,152,747,568,633.43/1,225,503.14 - Step 6: Final answer
x = 940,632.08
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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.