Finding the Fourth Proportional to 1,526,311.17, 2,106,368.64 and 838,012.03
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Solution
The fourth proportional to 1,526,311.17, 2,106,368.64 and 838,012.03 is: 1,156,489.12
Step by Step Solution
- Step 1: Write the proportion equation
1,526,311.17 : 2,106,368.64 = 838,012.03 : x - Step 2: Convert to fraction form
1,526,311.17/2,106,368.64 = 838,012.03/x - Step 3: Cross multiply
1,526,311.17x = 2,106,368.64 × 838,012.03 - Step 4: Simplify right side
1,526,311.17x = 1,765,162,254,668.82 - Step 5: Solve for x
x = 1,765,162,254,668.82/1,526,311.17 - Step 6: Final answer
x = 1,156,489.12
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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.