Finding the Fourth Proportional to 1,138,341.98, 1,570,916.79 and 622,106.14
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Solution
The fourth proportional to 1,138,341.98, 1,570,916.79 and 622,106.14 is: 858,509.13
Step by Step Solution
- Step 1: Write the proportion equation
1,138,341.98 : 1,570,916.79 = 622,106.14 : x - Step 2: Convert to fraction form
1,138,341.98/1,570,916.79 = 622,106.14/x - Step 3: Cross multiply
1,138,341.98x = 1,570,916.79 × 622,106.14 - Step 4: Simplify right side
1,138,341.98x = 977,276,980,488.09 - Step 5: Solve for x
x = 977,276,980,488.09/1,138,341.98 - Step 6: Final answer
x = 858,509.13
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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.