Finding the Fourth Proportional to 1,173,345.24, 1,619,217.09 and 636,801.24
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Solution
The fourth proportional to 1,173,345.24, 1,619,217.09 and 636,801.24 is: 878,786.07
Step by Step Solution
- Step 1: Write the proportion equation
1,173,345.24 : 1,619,217.09 = 636,801.24 : x - Step 2: Convert to fraction form
1,173,345.24/1,619,217.09 = 636,801.24/x - Step 3: Cross multiply
1,173,345.24x = 1,619,217.09 × 636,801.24 - Step 4: Simplify right side
1,173,345.24x = 1,031,119,450,741.19 - Step 5: Solve for x
x = 1,031,119,450,741.19/1,173,345.24 - Step 6: Final answer
x = 878,786.07
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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.