Finding the Fourth Proportional to 1,691,953.08, 2,538,079.20 and 477,540.54
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Solution
The fourth proportional to 1,691,953.08, 2,538,079.20 and 477,540.54 is: 716,353.03
Step by Step Solution
- Step 1: Write the proportion equation
1,691,953.08 : 2,538,079.20 = 477,540.54 : x - Step 2: Convert to fraction form
1,691,953.08/2,538,079.20 = 477,540.54/x - Step 3: Cross multiply
1,691,953.08x = 2,538,079.20 × 477,540.54 - Step 4: Simplify right side
1,691,953.08x = 1,212,035,711,730.77 - Step 5: Solve for x
x = 1,212,035,711,730.77/1,691,953.08 - Step 6: Final answer
x = 716,353.03
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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.