Finding the Fourth Proportional to 3,669,425.80, 5,504,138.70 and 973,745.80
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Solution
The fourth proportional to 3,669,425.80, 5,504,138.70 and 973,745.80 is: 1,460,618.70
Step by Step Solution
- Step 1: Write the proportion equation
3,669,425.80 : 5,504,138.70 = 973,745.80 : x - Step 2: Convert to fraction form
3,669,425.80/5,504,138.70 = 973,745.80/x - Step 3: Cross multiply
3,669,425.80x = 5,504,138.70 × 973,745.80 - Step 4: Simplify right side
3,669,425.80x = 5,359,631,941,742.46 - Step 5: Solve for x
x = 5,359,631,941,742.46/3,669,425.80 - Step 6: Final answer
x = 1,460,618.70
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1.5x scale
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.