Finding the Fourth Proportional to 755,874.27, 1,042,739.07 and 483,723.99
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Solution
The fourth proportional to 755,874.27, 1,042,739.07 and 483,723.99 is: 667,303.97
Step by Step Solution
- Step 1: Write the proportion equation
755,874.27 : 1,042,739.07 = 483,723.99 : x - Step 2: Convert to fraction form
755,874.27/1,042,739.07 = 483,723.99/x - Step 3: Cross multiply
755,874.27x = 1,042,739.07 × 483,723.99 - Step 4: Simplify right side
755,874.27x = 504,397,903,469.29 - Step 5: Solve for x
x = 504,397,903,469.29/755,874.27 - Step 6: Final answer
x = 667,303.97
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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.