Finding the Fourth Proportional to 1,241,206.16, 1,861,809.35 and 399,757.91
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Solution
The fourth proportional to 1,241,206.16, 1,861,809.35 and 399,757.91 is: 599,636.90
Step by Step Solution
- Step 1: Write the proportion equation
1,241,206.16 : 1,861,809.35 = 399,757.91 : x - Step 2: Convert to fraction form
1,241,206.16/1,861,809.35 = 399,757.91/x - Step 3: Cross multiply
1,241,206.16x = 1,861,809.35 × 399,757.91 - Step 4: Simplify right side
1,241,206.16x = 744,273,012,575.67 - Step 5: Solve for x
x = 744,273,012,575.67/1,241,206.16 - Step 6: Final answer
x = 599,636.90
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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.