Finding the Fourth Proportional to 1,132,905.44, 1,563,450.76 and 616,634.38
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Solution
The fourth proportional to 1,132,905.44, 1,563,450.76 and 616,634.38 is: 850,977.90
Step by Step Solution
- Step 1: Write the proportion equation
1,132,905.44 : 1,563,450.76 = 616,634.38 : x - Step 2: Convert to fraction form
1,132,905.44/1,563,450.76 = 616,634.38/x - Step 3: Cross multiply
1,132,905.44x = 1,563,450.76 × 616,634.38 - Step 4: Simplify right side
1,132,905.44x = 964,077,490,053.13 - Step 5: Solve for x
x = 964,077,490,053.13/1,132,905.44 - Step 6: Final answer
x = 850,977.90
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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.