Finding the Fourth Proportional to 1,616,615.24, 2,230,982.91 and 881,609.75
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Solution
The fourth proportional to 1,616,615.24, 2,230,982.91 and 881,609.75 is: 1,216,650.84
Step by Step Solution
- Step 1: Write the proportion equation
1,616,615.24 : 2,230,982.91 = 881,609.75 : x - Step 2: Convert to fraction form
1,616,615.24/2,230,982.91 = 881,609.75/x - Step 3: Cross multiply
1,616,615.24x = 2,230,982.91 × 881,609.75 - Step 4: Simplify right side
1,616,615.24x = 1,966,856,285,539.37 - Step 5: Solve for x
x = 1,966,856,285,539.37/1,616,615.24 - Step 6: Final answer
x = 1,216,650.84
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1.5x scale
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.