Finding the Fourth Proportional to 919,995.97, 1,269,594.12 and 512,089.06
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Solution
The fourth proportional to 919,995.97, 1,269,594.12 and 512,089.06 is: 706,682.73
Step by Step Solution
- Step 1: Write the proportion equation
919,995.97 : 1,269,594.12 = 512,089.06 : x - Step 2: Convert to fraction form
919,995.97/1,269,594.12 = 512,089.06/x - Step 3: Cross multiply
919,995.97x = 1,269,594.12 × 512,089.06 - Step 4: Simplify right side
919,995.97x = 650,145,259,492.33 - Step 5: Solve for x
x = 650,145,259,492.33/919,995.97 - Step 6: Final answer
x = 706,682.73
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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.