Finding the Fourth Proportional to 957,935.55, 1,321,943.00 and 528,233.79
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Solution
The fourth proportional to 957,935.55, 1,321,943.00 and 528,233.79 is: 728,958.18
Step by Step Solution
- Step 1: Write the proportion equation
957,935.55 : 1,321,943.00 = 528,233.79 : x - Step 2: Convert to fraction form
957,935.55/1,321,943.00 = 528,233.79/x - Step 3: Cross multiply
957,935.55x = 1,321,943.00 × 528,233.79 - Step 4: Simplify right side
957,935.55x = 698,294,958,412.80 - Step 5: Solve for x
x = 698,294,958,412.80/957,935.55 - Step 6: Final answer
x = 728,958.18
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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.