Finding the Fourth Proportional to 923,905.48, 1,274,953.70 and 579,926.24
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Solution
The fourth proportional to 923,905.48, 1,274,953.70 and 579,926.24 is: 800,275.70
Step by Step Solution
- Step 1: Write the proportion equation
923,905.48 : 1,274,953.70 = 579,926.24 : x - Step 2: Convert to fraction form
923,905.48/1,274,953.70 = 579,926.24/x - Step 3: Cross multiply
923,905.48x = 1,274,953.70 × 579,926.24 - Step 4: Simplify right side
923,905.48x = 739,379,105,415.09 - Step 5: Solve for x
x = 739,379,105,415.09/923,905.48 - Step 6: Final answer
x = 800,275.70
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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.