Finding the Fourth Proportional to 945,808.92, 1,305,247.80 and 516,112.62
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Solution
The fourth proportional to 945,808.92, 1,305,247.80 and 516,112.62 is: 712,252.60
Step by Step Solution
- Step 1: Write the proportion equation
945,808.92 : 1,305,247.80 = 516,112.62 : x - Step 2: Convert to fraction form
945,808.92/1,305,247.80 = 516,112.62/x - Step 3: Cross multiply
945,808.92x = 1,305,247.80 × 516,112.62 - Step 4: Simplify right side
945,808.92x = 673,654,861,807.24 - Step 5: Solve for x
x = 673,654,861,807.24/945,808.92 - Step 6: Final answer
x = 712,252.60
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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.