Finding the Fourth Proportional to 4,798,394.53, 7,197,591.81 and 1,603,520.70
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Solution
The fourth proportional to 4,798,394.53, 7,197,591.81 and 1,603,520.70 is: 2,405,281.06
Step by Step Solution
- Step 1: Write the proportion equation
4,798,394.53 : 7,197,591.81 = 1,603,520.70 : x - Step 2: Convert to fraction form
4,798,394.53/7,197,591.81 = 1,603,520.70/x - Step 3: Cross multiply
4,798,394.53x = 7,197,591.81 × 1,603,520.70 - Step 4: Simplify right side
4,798,394.53x = 11,541,487,457,485.47 - Step 5: Solve for x
x = 11,541,487,457,485.47/4,798,394.53 - Step 6: Final answer
x = 2,405,281.06
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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.