Finding the Fourth Proportional to 1,693,753.20, 2,337,381.68 and 919,383.53
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Solution
The fourth proportional to 1,693,753.20, 2,337,381.68 and 919,383.53 is: 1,268,750.49
Step by Step Solution
- Step 1: Write the proportion equation
1,693,753.20 : 2,337,381.68 = 919,383.53 : x - Step 2: Convert to fraction form
1,693,753.20/2,337,381.68 = 919,383.53/x - Step 3: Cross multiply
1,693,753.20x = 2,337,381.68 × 919,383.53 - Step 4: Simplify right side
1,693,753.20x = 2,148,950,203,631.90 - Step 5: Solve for x
x = 2,148,950,203,631.90/1,693,753.20 - Step 6: Final answer
x = 1,268,750.49
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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.