Finding the Fourth Proportional to 1,011,716.01, 1,396,818.95 and 649,296.09
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Solution
The fourth proportional to 1,011,716.01, 1,396,818.95 and 649,296.09 is: 896,446.31
Step by Step Solution
- Step 1: Write the proportion equation
1,011,716.01 : 1,396,818.95 = 649,296.09 : x - Step 2: Convert to fraction form
1,011,716.01/1,396,818.95 = 649,296.09/x - Step 3: Cross multiply
1,011,716.01x = 1,396,818.95 × 649,296.09 - Step 4: Simplify right side
1,011,716.01x = 906,949,079,426.43 - Step 5: Solve for x
x = 906,949,079,426.43/1,011,716.01 - Step 6: Final answer
x = 896,446.31
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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.