Finding the Fourth Proportional to 930,586.38, 1,283,882.16 and 608,485.02
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Solution
The fourth proportional to 930,586.38, 1,283,882.16 and 608,485.02 is: 839,495.48
Step by Step Solution
- Step 1: Write the proportion equation
930,586.38 : 1,283,882.16 = 608,485.02 : x - Step 2: Convert to fraction form
930,586.38/1,283,882.16 = 608,485.02/x - Step 3: Cross multiply
930,586.38x = 1,283,882.16 × 608,485.02 - Step 4: Simplify right side
930,586.38x = 781,223,061,805.24 - Step 5: Solve for x
x = 781,223,061,805.24/930,586.38 - Step 6: Final answer
x = 839,495.48
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1.5x scale
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.