Finding the Fourth Proportional to 1,598,357.75, 2,205,733.70 and 882,965.75
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Solution
The fourth proportional to 1,598,357.75, 2,205,733.70 and 882,965.75 is: 1,218,492.74
Step by Step Solution
- Step 1: Write the proportion equation
1,598,357.75 : 2,205,733.70 = 882,965.75 : x - Step 2: Convert to fraction form
1,598,357.75/2,205,733.70 = 882,965.75/x - Step 3: Cross multiply
1,598,357.75x = 2,205,733.70 × 882,965.75 - Step 4: Simplify right side
1,598,357.75x = 1,947,587,310,720.78 - Step 5: Solve for x
x = 1,947,587,310,720.78/1,598,357.75 - Step 6: Final answer
x = 1,218,492.74
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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.