Finding the Fourth Proportional to 1,232,169.56, 1,709,093.12 and 1,199,396.96
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Solution
The fourth proportional to 1,232,169.56, 1,709,093.12 and 1,199,396.96 is: 1,663,635.56
Step by Step Solution
- Step 1: Write the proportion equation
1,232,169.56 : 1,709,093.12 = 1,199,396.96 : x - Step 2: Convert to fraction form
1,232,169.56/1,709,093.12 = 1,199,396.96/x - Step 3: Cross multiply
1,232,169.56x = 1,709,093.12 × 1,199,396.96 - Step 4: Simplify right side
1,232,169.56x = 2,049,881,092,484.92 - Step 5: Solve for x
x = 2,049,881,092,484.92/1,232,169.56 - Step 6: Final answer
x = 1,663,635.56
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.