Finding the Fourth Proportional to 1,299,911.33, 1,793,823.68 and 756,048.17
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Solution
The fourth proportional to 1,299,911.33, 1,793,823.68 and 756,048.17 is: 1,043,315.09
Step by Step Solution
- Step 1: Write the proportion equation
1,299,911.33 : 1,793,823.68 = 756,048.17 : x - Step 2: Convert to fraction form
1,299,911.33/1,793,823.68 = 756,048.17/x - Step 3: Cross multiply
1,299,911.33x = 1,793,823.68 × 756,048.17 - Step 4: Simplify right side
1,299,911.33x = 1,356,217,097,817.31 - Step 5: Solve for x
x = 1,356,217,097,817.31/1,299,911.33 - Step 6: Final answer
x = 1,043,315.09
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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.