Finding the Fourth Proportional to 1,568,023.40, 2,163,609.99 and 923,571.92
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Solution
The fourth proportional to 1,568,023.40, 2,163,609.99 and 923,571.92 is: 1,274,374.75
Step by Step Solution
- Step 1: Write the proportion equation
1,568,023.40 : 2,163,609.99 = 923,571.92 : x - Step 2: Convert to fraction form
1,568,023.40/2,163,609.99 = 923,571.92/x - Step 3: Cross multiply
1,568,023.40x = 2,163,609.99 × 923,571.92 - Step 4: Simplify right side
1,568,023.40x = 1,998,249,438,004.51 - Step 5: Solve for x
x = 1,998,249,438,004.51/1,568,023.40 - Step 6: Final answer
x = 1,274,374.75
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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.