Finding the Fourth Proportional to 1,576,905.98, 2,176,104.30 and 888,648.18
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Solution
The fourth proportional to 1,576,905.98, 2,176,104.30 and 888,648.18 is: 1,226,319.86
Step by Step Solution
- Step 1: Write the proportion equation
1,576,905.98 : 2,176,104.30 = 888,648.18 : x - Step 2: Convert to fraction form
1,576,905.98/2,176,104.30 = 888,648.18/x - Step 3: Cross multiply
1,576,905.98x = 2,176,104.30 × 888,648.18 - Step 4: Simplify right side
1,576,905.98x = 1,933,791,125,685.17 - Step 5: Solve for x
x = 1,933,791,125,685.17/1,576,905.98 - Step 6: Final answer
x = 1,226,319.86
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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.