Finding the Fourth Proportional to 1,282,515.87, 1,923,717.11 and 335,865.63
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Solution
The fourth proportional to 1,282,515.87, 1,923,717.11 and 335,865.63 is: 503,783.60
Step by Step Solution
- Step 1: Write the proportion equation
1,282,515.87 : 1,923,717.11 = 335,865.63 : x - Step 2: Convert to fraction form
1,282,515.87/1,923,717.11 = 335,865.63/x - Step 3: Cross multiply
1,282,515.87x = 1,923,717.11 × 335,865.63 - Step 4: Simplify right side
1,282,515.87x = 646,110,457,412.60 - Step 5: Solve for x
x = 646,110,457,412.60/1,282,515.87 - Step 6: Final answer
x = 503,783.60
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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.