Finding the Fourth Proportional to 758,780.78, 1,047,335.64 and 500,846
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Solution
The fourth proportional to 758,780.78, 1,047,335.64 and 500,846 is: 691,311.48
Step by Step Solution
- Step 1: Write the proportion equation
758,780.78 : 1,047,335.64 = 500,846 : x - Step 2: Convert to fraction form
758,780.78/1,047,335.64 = 500,846/x - Step 3: Cross multiply
758,780.78x = 1,047,335.64 × 500,846 - Step 4: Simplify right side
758,780.78x = 524,553,865,951.44 - Step 5: Solve for x
x = 524,553,865,951.44/758,780.78 - Step 6: Final answer
x = 691,311.48
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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.