Finding the Fourth Proportional to 1,493,151.19, 2,239,734.98 and 371,220.19
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Solution
The fourth proportional to 1,493,151.19, 2,239,734.98 and 371,220.19 is: 556,832.32
Step by Step Solution
- Step 1: Write the proportion equation
1,493,151.19 : 2,239,734.98 = 371,220.19 : x - Step 2: Convert to fraction form
1,493,151.19/2,239,734.98 = 371,220.19/x - Step 3: Cross multiply
1,493,151.19x = 2,239,734.98 × 371,220.19 - Step 4: Simplify right side
1,493,151.19x = 831,434,840,153.96 - Step 5: Solve for x
x = 831,434,840,153.96/1,493,151.19 - Step 6: Final answer
x = 556,832.32
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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.