Finding the Fourth Proportional to 1,639,926.17, 2,263,101.75 and 914,820.85
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Solution
The fourth proportional to 1,639,926.17, 2,263,101.75 and 914,820.85 is: 1,262,454.80
Step by Step Solution
- Step 1: Write the proportion equation
1,639,926.17 : 2,263,101.75 = 914,820.85 : x - Step 2: Convert to fraction form
1,639,926.17/2,263,101.75 = 914,820.85/x - Step 3: Cross multiply
1,639,926.17x = 2,263,101.75 × 914,820.85 - Step 4: Simplify right side
1,639,926.17x = 2,070,332,655,255.98 - Step 5: Solve for x
x = 2,070,332,655,255.98/1,639,926.17 - Step 6: Final answer
x = 1,262,454.80
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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.