Finding the Fourth Proportional to 928,915.20, 1,282,003.20 and 526,464
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Solution
The fourth proportional to 928,915.20, 1,282,003.20 and 526,464 is: 726,577.12
Step by Step Solution
- Step 1: Write the proportion equation
928,915.20 : 1,282,003.20 = 526,464 : x - Step 2: Convert to fraction form
928,915.20/1,282,003.20 = 526,464/x - Step 3: Cross multiply
928,915.20x = 1,282,003.20 × 526,464 - Step 4: Simplify right side
928,915.20x = 674,928,532,684.80 - Step 5: Solve for x
x = 674,928,532,684.80/928,915.20 - Step 6: Final answer
x = 726,577.12
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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.