Finding the Fourth Proportional to 1,416,935.22, 1,955,391.09 and 772,355.54
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Solution
The fourth proportional to 1,416,935.22, 1,955,391.09 and 772,355.54 is: 1,065,861.81
Step by Step Solution
- Step 1: Write the proportion equation
1,416,935.22 : 1,955,391.09 = 772,355.54 : x - Step 2: Convert to fraction form
1,416,935.22/1,955,391.09 = 772,355.54/x - Step 3: Cross multiply
1,416,935.22x = 1,955,391.09 × 772,355.54 - Step 4: Simplify right side
1,416,935.22x = 1,510,257,141,228.14 - Step 5: Solve for x
x = 1,510,257,141,228.14/1,416,935.22 - Step 6: Final answer
x = 1,065,861.81
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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.