Finding the Fourth Proportional to 769,525.41, 1,062,050.56 and 442,831.71
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Solution
The fourth proportional to 769,525.41, 1,062,050.56 and 442,831.71 is: 611,168.46
Step by Step Solution
- Step 1: Write the proportion equation
769,525.41 : 1,062,050.56 = 442,831.71 : x - Step 2: Convert to fraction form
769,525.41/1,062,050.56 = 442,831.71/x - Step 3: Cross multiply
769,525.41x = 1,062,050.56 × 442,831.71 - Step 4: Simplify right side
769,525.41x = 470,309,663,738.30 - Step 5: Solve for x
x = 470,309,663,738.30/769,525.41 - Step 6: Final answer
x = 611,168.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.