Finding the Fourth Proportional to 837,948.48, 1,257,119.52 and 276,982.96
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Solution
The fourth proportional to 837,948.48, 1,257,119.52 and 276,982.96 is: 415,539.49
Step by Step Solution
- Step 1: Write the proportion equation
837,948.48 : 1,257,119.52 = 276,982.96 : x - Step 2: Convert to fraction form
837,948.48/1,257,119.52 = 276,982.96/x - Step 3: Cross multiply
837,948.48x = 1,257,119.52 × 276,982.96 - Step 4: Simplify right side
837,948.48x = 348,200,685,723.38 - Step 5: Solve for x
x = 348,200,685,723.38/837,948.48 - Step 6: Final answer
x = 415,539.49
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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.