Finding the Fourth Proportional to 589,079.26, 883,618.90 and 145,847.26
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Solution
The fourth proportional to 589,079.26, 883,618.90 and 145,847.26 is: 218,770.89
Step by Step Solution
- Step 1: Write the proportion equation
589,079.26 : 883,618.90 = 145,847.26 : x - Step 2: Convert to fraction form
589,079.26/883,618.90 = 145,847.26/x - Step 3: Cross multiply
589,079.26x = 883,618.90 × 145,847.26 - Step 4: Simplify right side
589,079.26x = 128,873,395,449.21 - Step 5: Solve for x
x = 128,873,395,449.21/589,079.26 - Step 6: Final answer
x = 218,770.89
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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.