Finding the Fourth Proportional to 1,396,548.44, 1,927,401.18 and 784,702.52
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Solution
The fourth proportional to 1,396,548.44, 1,927,401.18 and 784,702.52 is: 1,082,981.81
Step by Step Solution
- Step 1: Write the proportion equation
1,396,548.44 : 1,927,401.18 = 784,702.52 : x - Step 2: Convert to fraction form
1,396,548.44/1,927,401.18 = 784,702.52/x - Step 3: Cross multiply
1,396,548.44x = 1,927,401.18 × 784,702.52 - Step 4: Simplify right side
1,396,548.44x = 1,512,436,562,996.97 - Step 5: Solve for x
x = 1,512,436,562,996.97/1,396,548.44 - Step 6: Final answer
x = 1,082,981.81
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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.