Finding the Fourth Proportional to 589,106.26, 883,659.40 and 145,874.26
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Solution
The fourth proportional to 589,106.26, 883,659.40 and 145,874.26 is: 218,811.39
Step by Step Solution
- Step 1: Write the proportion equation
589,106.26 : 883,659.40 = 145,874.26 : x - Step 2: Convert to fraction form
589,106.26/883,659.40 = 145,874.26/x - Step 3: Cross multiply
589,106.26x = 883,659.40 × 145,874.26 - Step 4: Simplify right side
589,106.26x = 128,903,161,067.04 - Step 5: Solve for x
x = 128,903,161,067.04/589,106.26 - Step 6: Final answer
x = 218,811.39
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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.