Finding the Fourth Proportional to 1,252,801.93, 1,728,866.67 and 679,842.11
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Solution
The fourth proportional to 1,252,801.93, 1,728,866.67 and 679,842.11 is: 938,182.11
Step by Step Solution
- Step 1: Write the proportion equation
1,252,801.93 : 1,728,866.67 = 679,842.11 : x - Step 2: Convert to fraction form
1,252,801.93/1,728,866.67 = 679,842.11/x - Step 3: Cross multiply
1,252,801.93x = 1,728,866.67 × 679,842.11 - Step 4: Simplify right side
1,252,801.93x = 1,175,356,358,541.84 - Step 5: Solve for x
x = 1,175,356,358,541.84/1,252,801.93 - Step 6: Final answer
x = 938,182.11
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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.