Finding the Fourth Proportional to 842,703.75, 1,162,931.58 and 460,733.67
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Solution
The fourth proportional to 842,703.75, 1,162,931.58 and 460,733.67 is: 635,812.69
Step by Step Solution
- Step 1: Write the proportion equation
842,703.75 : 1,162,931.58 = 460,733.67 : x - Step 2: Convert to fraction form
842,703.75/1,162,931.58 = 460,733.67/x - Step 3: Cross multiply
842,703.75x = 1,162,931.58 × 460,733.67 - Step 4: Simplify right side
842,703.75x = 535,801,734,812.30 - Step 5: Solve for x
x = 535,801,734,812.30/842,703.75 - Step 6: Final answer
x = 635,812.69
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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.