Finding the Fourth Proportional to 1,116,192.48, 1,674,251.28 and 485,106.24
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Solution
The fourth proportional to 1,116,192.48, 1,674,251.28 and 485,106.24 is: 727,643.09
Step by Step Solution
- Step 1: Write the proportion equation
1,116,192.48 : 1,674,251.28 = 485,106.24 : x - Step 2: Convert to fraction form
1,116,192.48/1,674,251.28 = 485,106.24/x - Step 3: Cross multiply
1,116,192.48x = 1,674,251.28 × 485,106.24 - Step 4: Simplify right side
1,116,192.48x = 812,189,743,255.99 - Step 5: Solve for x
x = 812,189,743,255.99/1,116,192.48 - Step 6: Final answer
x = 727,643.09
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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.