Finding the Fourth Proportional to 1,694,683.50, 2,542,022.90 and 432,511.08
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Solution
The fourth proportional to 1,694,683.50, 2,542,022.90 and 432,511.08 is: 648,766.02
Step by Step Solution
- Step 1: Write the proportion equation
1,694,683.50 : 2,542,022.90 = 432,511.08 : x - Step 2: Convert to fraction form
1,694,683.50/2,542,022.90 = 432,511.08/x - Step 3: Cross multiply
1,694,683.50x = 2,542,022.90 × 432,511.08 - Step 4: Simplify right side
1,694,683.50x = 1,099,453,069,863.73 - Step 5: Solve for x
x = 1,099,453,069,863.73/1,694,683.50 - Step 6: Final answer
x = 648,766.02
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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.