Finding the Fourth Proportional to 1,257,401.26, 1,886,236.86 and 537,817.70
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Solution
The fourth proportional to 1,257,401.26, 1,886,236.86 and 537,817.70 is: 806,784.28
Step by Step Solution
- Step 1: Write the proportion equation
1,257,401.26 : 1,886,236.86 = 537,817.70 : x - Step 2: Convert to fraction form
1,257,401.26/1,886,236.86 = 537,817.70/x - Step 3: Cross multiply
1,257,401.26x = 1,886,236.86 × 537,817.70 - Step 4: Simplify right side
1,257,401.26x = 1,014,451,569,700.42 - Step 5: Solve for x
x = 1,014,451,569,700.42/1,257,401.26 - Step 6: Final answer
x = 806,784.28
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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.