Finding the Fourth Proportional to 1,536,239.14, 2,119,418.73 and 962,280.10
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Solution
The fourth proportional to 1,536,239.14, 2,119,418.73 and 962,280.10 is: 1,327,576.17
Step by Step Solution
- Step 1: Write the proportion equation
1,536,239.14 : 2,119,418.73 = 962,280.10 : x - Step 2: Convert to fraction form
1,536,239.14/2,119,418.73 = 962,280.10/x - Step 3: Cross multiply
1,536,239.14x = 2,119,418.73 × 962,280.10 - Step 4: Simplify right side
1,536,239.14x = 2,039,474,467,446.27 - Step 5: Solve for x
x = 2,039,474,467,446.27/1,536,239.14 - Step 6: Final answer
x = 1,327,576.17
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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.