Finding the Fourth Proportional to 1,324,105.99, 1,821,532.25 and 1,160,023.48
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Solution
The fourth proportional to 1,324,105.99, 1,821,532.25 and 1,160,023.48 is: 1,595,808.94
Step by Step Solution
- Step 1: Write the proportion equation
1,324,105.99 : 1,821,532.25 = 1,160,023.48 : x - Step 2: Convert to fraction form
1,324,105.99/1,821,532.25 = 1,160,023.48/x - Step 3: Cross multiply
1,324,105.99x = 1,821,532.25 × 1,160,023.48 - Step 4: Simplify right side
1,324,105.99x = 2,113,020,177,923.46 - Step 5: Solve for x
x = 2,113,020,177,923.46/1,324,105.99 - Step 6: Final answer
x = 1,595,808.94
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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.