Finding the Fourth Proportional to 1,211,831.42, 1,817,793.27 and 453,593.05
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Solution
The fourth proportional to 1,211,831.42, 1,817,793.27 and 453,593.05 is: 680,406.84
Step by Step Solution
- Step 1: Write the proportion equation
1,211,831.42 : 1,817,793.27 = 453,593.05 : x - Step 2: Convert to fraction form
1,211,831.42/1,817,793.27 = 453,593.05/x - Step 3: Cross multiply
1,211,831.42x = 1,817,793.27 × 453,593.05 - Step 4: Simplify right side
1,211,831.42x = 824,538,389,064.29 - Step 5: Solve for x
x = 824,538,389,064.29/1,211,831.42 - Step 6: Final answer
x = 680,406.84
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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.