Finding the Fourth Proportional to 941,615.20, 1,412,422.80 and 499,247.20
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Solution
The fourth proportional to 941,615.20, 1,412,422.80 and 499,247.20 is: 748,870.80
Step by Step Solution
- Step 1: Write the proportion equation
941,615.20 : 1,412,422.80 = 499,247.20 : x - Step 2: Convert to fraction form
941,615.20/1,412,422.80 = 499,247.20/x - Step 3: Cross multiply
941,615.20x = 1,412,422.80 × 499,247.20 - Step 4: Simplify right side
941,615.20x = 705,148,128,116.16 - Step 5: Solve for x
x = 705,148,128,116.16/941,615.20 - Step 6: Final answer
x = 748,870.80
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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.