Finding the Fourth Proportional to 1,011,943.41, 1,396,346.96 and 649,857.72
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Solution
The fourth proportional to 1,011,943.41, 1,396,346.96 and 649,857.72 is: 896,716.99
Step by Step Solution
- Step 1: Write the proportion equation
1,011,943.41 : 1,396,346.96 = 649,857.72 : x - Step 2: Convert to fraction form
1,011,943.41/1,396,346.96 = 649,857.72/x - Step 3: Cross multiply
1,011,943.41x = 1,396,346.96 × 649,857.72 - Step 4: Simplify right side
1,011,943.41x = 907,426,848,505.24 - Step 5: Solve for x
x = 907,426,848,505.24/1,011,943.41 - Step 6: Final answer
x = 896,716.99
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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.