Finding the Fourth Proportional to 1,717,128.88, 2,369,519.20 and 953,122.24
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Solution
The fourth proportional to 1,717,128.88, 2,369,519.20 and 953,122.24 is: 1,315,242.83
Step by Step Solution
- Step 1: Write the proportion equation
1,717,128.88 : 2,369,519.20 = 953,122.24 : x - Step 2: Convert to fraction form
1,717,128.88/2,369,519.20 = 953,122.24/x - Step 3: Cross multiply
1,717,128.88x = 2,369,519.20 × 953,122.24 - Step 4: Simplify right side
1,717,128.88x = 2,258,441,447,627.01 - Step 5: Solve for x
x = 2,258,441,447,627.01/1,717,128.88 - Step 6: Final answer
x = 1,315,242.83
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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.