Finding the Fourth Proportional to 1,593,601.75, 2,199,170.42 and 878,209.75
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Solution
The fourth proportional to 1,593,601.75, 2,199,170.42 and 878,209.75 is: 1,211,929.46
Step by Step Solution
- Step 1: Write the proportion equation
1,593,601.75 : 2,199,170.42 = 878,209.75 : x - Step 2: Convert to fraction form
1,593,601.75/2,199,170.42 = 878,209.75/x - Step 3: Cross multiply
1,593,601.75x = 2,199,170.42 × 878,209.75 - Step 4: Simplify right side
1,593,601.75x = 1,931,332,904,755.60 - Step 5: Solve for x
x = 1,931,332,904,755.60/1,593,601.75 - Step 6: Final answer
x = 1,211,929.46
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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.