Finding the Fourth Proportional to 1,176,565.19, 1,623,628.44 and 667,256.63
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Solution
The fourth proportional to 1,176,565.19, 1,623,628.44 and 667,256.63 is: 920,796.27
Step by Step Solution
- Step 1: Write the proportion equation
1,176,565.19 : 1,623,628.44 = 667,256.63 : x - Step 2: Convert to fraction form
1,176,565.19/1,623,628.44 = 667,256.63/x - Step 3: Cross multiply
1,176,565.19x = 1,623,628.44 × 667,256.63 - Step 4: Simplify right side
1,176,565.19x = 1,083,376,833,128.41 - Step 5: Solve for x
x = 1,083,376,833,128.41/1,176,565.19 - Step 6: Final answer
x = 920,796.27
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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.