Finding the Fourth Proportional to 1,871,872.08, 2,807,808.20 and 609,699.64
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Solution
The fourth proportional to 1,871,872.08, 2,807,808.20 and 609,699.64 is: 914,549.49
Step by Step Solution
- Step 1: Write the proportion equation
1,871,872.08 : 2,807,808.20 = 609,699.64 : x - Step 2: Convert to fraction form
1,871,872.08/2,807,808.20 = 609,699.64/x - Step 3: Cross multiply
1,871,872.08x = 2,807,808.20 × 609,699.64 - Step 4: Simplify right side
1,871,872.08x = 1,711,919,648,729.05 - Step 5: Solve for x
x = 1,711,919,648,729.05/1,871,872.08 - Step 6: Final answer
x = 914,549.49
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1.5x scale
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.