Finding the Fourth Proportional to 1,611,541.14, 2,417,587.11 and 664,394.10
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Solution
The fourth proportional to 1,611,541.14, 2,417,587.11 and 664,394.10 is: 996,704.69
Step by Step Solution
- Step 1: Write the proportion equation
1,611,541.14 : 2,417,587.11 = 664,394.10 : x - Step 2: Convert to fraction form
1,611,541.14/2,417,587.11 = 664,394.10/x - Step 3: Cross multiply
1,611,541.14x = 2,417,587.11 × 664,394.10 - Step 4: Simplify right side
1,611,541.14x = 1,606,230,612,120.05 - Step 5: Solve for x
x = 1,606,230,612,120.05/1,611,541.14 - Step 6: Final answer
x = 996,704.69
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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.