Finding the Fourth Proportional to 1,115,927.28, 1,539,996.84 and 606,631.68
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Solution
The fourth proportional to 1,115,927.28, 1,539,996.84 and 606,631.68 is: 837,161.07
Step by Step Solution
- Step 1: Write the proportion equation
1,115,927.28 : 1,539,996.84 = 606,631.68 : x - Step 2: Convert to fraction form
1,115,927.28/1,539,996.84 = 606,631.68/x - Step 3: Cross multiply
1,115,927.28x = 1,539,996.84 × 606,631.68 - Step 4: Simplify right side
1,115,927.28x = 934,210,870,243.89 - Step 5: Solve for x
x = 934,210,870,243.89/1,115,927.28 - Step 6: Final answer
x = 837,161.07
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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.