Finding the Fourth Proportional to 1,159,794.18, 1,596,878.55 and 1,053,505.98
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Solution
The fourth proportional to 1,159,794.18, 1,596,878.55 and 1,053,505.98 is: 1,450,534.18
Step by Step Solution
- Step 1: Write the proportion equation
1,159,794.18 : 1,596,878.55 = 1,053,505.98 : x - Step 2: Convert to fraction form
1,159,794.18/1,596,878.55 = 1,053,505.98/x - Step 3: Cross multiply
1,159,794.18x = 1,596,878.55 × 1,053,505.98 - Step 4: Simplify right side
1,159,794.18x = 1,682,321,101,758.73 - Step 5: Solve for x
x = 1,682,321,101,758.73/1,159,794.18 - Step 6: Final answer
x = 1,450,534.18
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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.