Finding the Fourth Proportional to 838,190.44, 1,156,727.84 and 516,086.36
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Solution
The fourth proportional to 838,190.44, 1,156,727.84 and 516,086.36 is: 712,214.59
Step by Step Solution
- Step 1: Write the proportion equation
838,190.44 : 1,156,727.84 = 516,086.36 : x - Step 2: Convert to fraction form
838,190.44/1,156,727.84 = 516,086.36/x - Step 3: Cross multiply
838,190.44x = 1,156,727.84 × 516,086.36 - Step 4: Simplify right side
838,190.44x = 596,971,460,456.26 - Step 5: Solve for x
x = 596,971,460,456.26/838,190.44 - Step 6: Final answer
x = 712,214.59
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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.