Finding the Fourth Proportional to 996,245.11, 1,492,440.93 and 834,399.49
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Solution
The fourth proportional to 996,245.11, 1,492,440.93 and 834,399.49 is: 1,249,985.51
Step by Step Solution
- Step 1: Write the proportion equation
996,245.11 : 1,492,440.93 = 834,399.49 : x - Step 2: Convert to fraction form
996,245.11/1,492,440.93 = 834,399.49/x - Step 3: Cross multiply
996,245.11x = 1,492,440.93 × 834,399.49 - Step 4: Simplify right side
996,245.11x = 1,245,291,950,847.13 - Step 5: Solve for x
x = 1,245,291,950,847.13/996,245.11 - Step 6: Final answer
x = 1,249,985.51
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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.