Finding the Fourth Proportional to 731,742.31, 1,097,613.47 and 482,365.99
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Solution
The fourth proportional to 731,742.31, 1,097,613.47 and 482,365.99 is: 723,548.99
Step by Step Solution
- Step 1: Write the proportion equation
731,742.31 : 1,097,613.47 = 482,365.99 : x - Step 2: Convert to fraction form
731,742.31/1,097,613.47 = 482,365.99/x - Step 3: Cross multiply
731,742.31x = 1,097,613.47 × 482,365.99 - Step 4: Simplify right side
731,742.31x = 529,451,406,555.77 - Step 5: Solve for x
x = 529,451,406,555.77/731,742.31 - Step 6: Final answer
x = 723,548.99
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Double scale
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Similar ratio
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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.