Finding the Fourth Proportional to 847,627.24, 1,170,761.70 and 633,718.12
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Solution
The fourth proportional to 847,627.24, 1,170,761.70 and 633,718.12 is: 875,305.64
Step by Step Solution
- Step 1: Write the proportion equation
847,627.24 : 1,170,761.70 = 633,718.12 : x - Step 2: Convert to fraction form
847,627.24/1,170,761.70 = 633,718.12/x - Step 3: Cross multiply
847,627.24x = 1,170,761.70 × 633,718.12 - Step 4: Simplify right side
847,627.24x = 741,932,903,492.00 - Step 5: Solve for x
x = 741,932,903,492.00/847,627.24 - Step 6: Final answer
x = 875,305.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.