Finding the Fourth Proportional to 1,591,290.95, 2,386,871.69 and 393,183.09
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Solution
The fourth proportional to 1,591,290.95, 2,386,871.69 and 393,183.09 is: 589,758.64
Step by Step Solution
- Step 1: Write the proportion equation
1,591,290.95 : 2,386,871.69 = 393,183.09 : x - Step 2: Convert to fraction form
1,591,290.95/2,386,871.69 = 393,183.09/x - Step 3: Cross multiply
1,591,290.95x = 2,386,871.69 × 393,183.09 - Step 4: Simplify right side
1,591,290.95x = 938,477,584,541.81 - Step 5: Solve for x
x = 938,477,584,541.81/1,591,290.95 - Step 6: Final answer
x = 589,758.64
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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.