Finding the Fourth Proportional to 1,028,966.08, 1,543,556 and 281,012
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Solution
The fourth proportional to 1,028,966.08, 1,543,556 and 281,012 is: 421,547.19
Step by Step Solution
- Step 1: Write the proportion equation
1,028,966.08 : 1,543,556 = 281,012 : x - Step 2: Convert to fraction form
1,028,966.08/1,543,556 = 281,012/x - Step 3: Cross multiply
1,028,966.08x = 1,543,556 × 281,012 - Step 4: Simplify right side
1,028,966.08x = 433,757,758,672 - Step 5: Solve for x
x = 433,757,758,672/1,028,966.08 - Step 6: Final answer
x = 421,547.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.