Finding the Fourth Proportional to 794,990.70, 1,097,105.21 and 432,433.94
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Solution
The fourth proportional to 794,990.70, 1,097,105.21 and 432,433.94 is: 596,768.65
Step by Step Solution
- Step 1: Write the proportion equation
794,990.70 : 1,097,105.21 = 432,433.94 : x - Step 2: Convert to fraction form
794,990.70/1,097,105.21 = 432,433.94/x - Step 3: Cross multiply
794,990.70x = 1,097,105.21 × 432,433.94 - Step 4: Simplify right side
794,990.70x = 474,425,528,699.98 - Step 5: Solve for x
x = 474,425,528,699.98/794,990.70 - Step 6: Final answer
x = 596,768.65
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1.5x scale
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.