Finding the Fourth Proportional to 1,070,645.68, 1,477,486.60 and 587,198
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Solution
The fourth proportional to 1,070,645.68, 1,477,486.60 and 587,198 is: 810,330.81
Step by Step Solution
- Step 1: Write the proportion equation
1,070,645.68 : 1,477,486.60 = 587,198 : x - Step 2: Convert to fraction form
1,070,645.68/1,477,486.60 = 587,198/x - Step 3: Cross multiply
1,070,645.68x = 1,477,486.60 × 587,198 - Step 4: Simplify right side
1,070,645.68x = 867,577,176,546.80 - Step 5: Solve for x
x = 867,577,176,546.80/1,070,645.68 - Step 6: Final answer
x = 810,330.81
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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.