Finding the Fourth Proportional to 924.04, 1,274.70 and 613
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Solution
The fourth proportional to 924.04, 1,274.70 and 613 is: 845.62
Step by Step Solution
- Step 1: Write the proportion equation
924.04 : 1,274.70 = 613 : x - Step 2: Convert to fraction form
924.04/1,274.70 = 613/x - Step 3: Cross multiply
924.04x = 1,274.70 × 613 - Step 4: Simplify right side
924.04x = 781,391.10 - Step 5: Solve for x
x = 781,391.10/924.04 - Step 6: Final answer
x = 845.62
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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.