Finding the Fourth Proportional to 1,076,816.79, 1,486,000.80 and 586,785.42
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Solution
The fourth proportional to 1,076,816.79, 1,486,000.80 and 586,785.42 is: 809,760.41
Step by Step Solution
- Step 1: Write the proportion equation
1,076,816.79 : 1,486,000.80 = 586,785.42 : x - Step 2: Convert to fraction form
1,076,816.79/1,486,000.80 = 586,785.42/x - Step 3: Cross multiply
1,076,816.79x = 1,486,000.80 × 586,785.42 - Step 4: Simplify right side
1,076,816.79x = 871,963,603,548.34 - Step 5: Solve for x
x = 871,963,603,548.34/1,076,816.79 - Step 6: Final answer
x = 809,760.41
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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.