Finding the Fourth Proportional to 1,011,636.76, 1,396,709.60 and 649,216.84
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Solution
The fourth proportional to 1,011,636.76, 1,396,709.60 and 649,216.84 is: 896,336.94
Step by Step Solution
- Step 1: Write the proportion equation
1,011,636.76 : 1,396,709.60 = 649,216.84 : x - Step 2: Convert to fraction form
1,011,636.76/1,396,709.60 = 649,216.84/x - Step 3: Cross multiply
1,011,636.76x = 1,396,709.60 × 649,216.84 - Step 4: Simplify right side
1,011,636.76x = 906,767,392,909.66 - Step 5: Solve for x
x = 906,767,392,909.66/1,011,636.76 - Step 6: Final answer
x = 896,336.94
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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.