Finding the Fourth Proportional to 2,085,553.12, 3,127,186.73 and 645,836.84
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Solution
The fourth proportional to 2,085,553.12, 3,127,186.73 and 645,836.84 is: 968,401.32
Step by Step Solution
- Step 1: Write the proportion equation
2,085,553.12 : 3,127,186.73 = 645,836.84 : x - Step 2: Convert to fraction form
2,085,553.12/3,127,186.73 = 645,836.84/x - Step 3: Cross multiply
2,085,553.12x = 3,127,186.73 × 645,836.84 - Step 4: Simplify right side
2,085,553.12x = 2,019,652,392,563.95 - Step 5: Solve for x
x = 2,019,652,392,563.95/2,085,553.12 - Step 6: Final answer
x = 968,401.32
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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.