Finding the Fourth Proportional to 922,900.70, 1,288,911.70 and 922,900.70
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Solution
The fourth proportional to 922,900.70, 1,288,911.70 and 922,900.70 is: 1,288,911.70
Step by Step Solution
- Step 1: Write the proportion equation
922,900.70 : 1,288,911.70 = 922,900.70 : x - Step 2: Convert to fraction form
922,900.70/1,288,911.70 = 922,900.70/x - Step 3: Cross multiply
922,900.70x = 1,288,911.70 × 922,900.70 - Step 4: Simplify right side
922,900.70x = 1,189,537,510,168.19 - Step 5: Solve for x
x = 1,189,537,510,168.19/922,900.70 - Step 6: Final answer
x = 1,288,911.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.