Finding the Fourth Proportional to 696,094.62, 960,612.39 and 394,288.62
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Solution
The fourth proportional to 696,094.62, 960,612.39 and 394,288.62 is: 544,119.32
Step by Step Solution
- Step 1: Write the proportion equation
696,094.62 : 960,612.39 = 394,288.62 : x - Step 2: Convert to fraction form
696,094.62/960,612.39 = 394,288.62/x - Step 3: Cross multiply
696,094.62x = 960,612.39 × 394,288.62 - Step 4: Simplify right side
696,094.62x = 378,758,533,608.00 - Step 5: Solve for x
x = 378,758,533,608.00/696,094.62 - Step 6: Final answer
x = 544,119.32
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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.