Finding the Fourth Proportional to 735,742.51, 1,015,344.90 and 413,481.99
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Solution
The fourth proportional to 735,742.51, 1,015,344.90 and 413,481.99 is: 570,616.52
Step by Step Solution
- Step 1: Write the proportion equation
735,742.51 : 1,015,344.90 = 413,481.99 : x - Step 2: Convert to fraction form
735,742.51/1,015,344.90 = 413,481.99/x - Step 3: Cross multiply
735,742.51x = 1,015,344.90 × 413,481.99 - Step 4: Simplify right side
735,742.51x = 419,826,827,720.94 - Step 5: Solve for x
x = 419,826,827,720.94/735,742.51 - Step 6: Final answer
x = 570,616.52
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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.