Finding the Fourth Proportional to 1,541,831.10, 2,309,378.49 and 640,540.14
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Solution
The fourth proportional to 1,541,831.10, 2,309,378.49 and 640,540.14 is: 959,410.94
Step by Step Solution
- Step 1: Write the proportion equation
1,541,831.10 : 2,309,378.49 = 640,540.14 : x - Step 2: Convert to fraction form
1,541,831.10/2,309,378.49 = 640,540.14/x - Step 3: Cross multiply
1,541,831.10x = 2,309,378.49 × 640,540.14 - Step 4: Simplify right side
1,541,831.10x = 1,479,249,621,297.59 - Step 5: Solve for x
x = 1,479,249,621,297.59/1,541,831.10 - Step 6: Final answer
x = 959,410.94
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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.