Finding the Fourth Proportional to 935,679.62, 1,291,245.60 and 516,588.90
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Solution
The fourth proportional to 935,679.62, 1,291,245.60 and 516,588.90 is: 712,896.95
Step by Step Solution
- Step 1: Write the proportion equation
935,679.62 : 1,291,245.60 = 516,588.90 : x - Step 2: Convert to fraction form
935,679.62/1,291,245.60 = 516,588.90/x - Step 3: Cross multiply
935,679.62x = 1,291,245.60 × 516,588.90 - Step 4: Simplify right side
935,679.62x = 667,043,144,133.84 - Step 5: Solve for x
x = 667,043,144,133.84/935,679.62 - Step 6: Final answer
x = 712,896.95
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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.