Finding the Fourth Proportional to 1,832,839.48, 2,749,654.68 and 553,340.80
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Solution
The fourth proportional to 1,832,839.48, 2,749,654.68 and 553,340.80 is: 830,130.59
Step by Step Solution
- Step 1: Write the proportion equation
1,832,839.48 : 2,749,654.68 = 553,340.80 : x - Step 2: Convert to fraction form
1,832,839.48/2,749,654.68 = 553,340.80/x - Step 3: Cross multiply
1,832,839.48x = 2,749,654.68 × 553,340.80 - Step 4: Simplify right side
1,832,839.48x = 1,521,496,120,354.94 - Step 5: Solve for x
x = 1,521,496,120,354.94/1,832,839.48 - Step 6: Final answer
x = 830,130.59
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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.