Finding the Fourth Proportional to 1,623,201.57, 2,432,473.20 and 911,732.22
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Solution
The fourth proportional to 1,623,201.57, 2,432,473.20 and 911,732.22 is: 1,366,290.07
Step by Step Solution
- Step 1: Write the proportion equation
1,623,201.57 : 2,432,473.20 = 911,732.22 : x - Step 2: Convert to fraction form
1,623,201.57/2,432,473.20 = 911,732.22/x - Step 3: Cross multiply
1,623,201.57x = 2,432,473.20 × 911,732.22 - Step 4: Simplify right side
1,623,201.57x = 2,217,764,190,726.50 - Step 5: Solve for x
x = 2,217,764,190,726.50/1,623,201.57 - Step 6: Final answer
x = 1,366,290.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.