Finding the Fourth Proportional to 1,043,419.11, 1,563,090.49 and 719,149.17
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Solution
The fourth proportional to 1,043,419.11, 1,563,090.49 and 719,149.17 is: 1,077,319.00
Step by Step Solution
- Step 1: Write the proportion equation
1,043,419.11 : 1,563,090.49 = 719,149.17 : x - Step 2: Convert to fraction form
1,043,419.11/1,563,090.49 = 719,149.17/x - Step 3: Cross multiply
1,043,419.11x = 1,563,090.49 × 719,149.17 - Step 4: Simplify right side
1,043,419.11x = 1,124,095,228,518.39 - Step 5: Solve for x
x = 1,124,095,228,518.39/1,043,419.11 - Step 6: Final answer
x = 1,077,319.00
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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.