Finding the Fourth Proportional to 1,653,331.64, 2,281,440.11 and 928,013.09
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Solution
The fourth proportional to 1,653,331.64, 2,281,440.11 and 928,013.09 is: 1,280,569.62
Step by Step Solution
- Step 1: Write the proportion equation
1,653,331.64 : 2,281,440.11 = 928,013.09 : x - Step 2: Convert to fraction form
1,653,331.64/2,281,440.11 = 928,013.09/x - Step 3: Cross multiply
1,653,331.64x = 2,281,440.11 × 928,013.09 - Step 4: Simplify right side
1,653,331.64x = 2,117,206,270,083.77 - Step 5: Solve for x
x = 2,117,206,270,083.77/1,653,331.64 - Step 6: Final answer
x = 1,280,569.62
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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.