Finding the Fourth Proportional to 6,308,226.12, 8,705,343.30 and 3,407,616.12
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Solution
The fourth proportional to 6,308,226.12, 8,705,343.30 and 3,407,616.12 is: 4,702,505.52
Step by Step Solution
- Step 1: Write the proportion equation
6,308,226.12 : 8,705,343.30 = 3,407,616.12 : x - Step 2: Convert to fraction form
6,308,226.12/8,705,343.30 = 3,407,616.12/x - Step 3: Cross multiply
6,308,226.12x = 8,705,343.30 × 3,407,616.12 - Step 4: Simplify right side
6,308,226.12x = 29,664,468,159,214 - Step 5: Solve for x
x = 29,664,468,159,214/6,308,226.12 - Step 6: Final answer
x = 4,702,505.52
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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.