Finding the Fourth Proportional to 1,591,293.95, 2,386,876.19 and 393,186.09
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Solution
The fourth proportional to 1,591,293.95, 2,386,876.19 and 393,186.09 is: 589,763.14
Step by Step Solution
- Step 1: Write the proportion equation
1,591,293.95 : 2,386,876.19 = 393,186.09 : x - Step 2: Convert to fraction form
1,591,293.95/2,386,876.19 = 393,186.09/x - Step 3: Cross multiply
1,591,293.95x = 2,386,876.19 × 393,186.09 - Step 4: Simplify right side
1,591,293.95x = 938,486,514,494.27 - Step 5: Solve for x
x = 938,486,514,494.27/1,591,293.95 - Step 6: Final answer
x = 589,763.14
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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.