Finding the Fourth Proportional to 950,747.12, 1,312,041.34 and 521,018
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Solution
The fourth proportional to 950,747.12, 1,312,041.34 and 521,018 is: 719,010.49
Step by Step Solution
- Step 1: Write the proportion equation
950,747.12 : 1,312,041.34 = 521,018 : x - Step 2: Convert to fraction form
950,747.12/1,312,041.34 = 521,018/x - Step 3: Cross multiply
950,747.12x = 1,312,041.34 × 521,018 - Step 4: Simplify right side
950,747.12x = 683,597,154,884.12 - Step 5: Solve for x
x = 683,597,154,884.12/950,747.12 - Step 6: Final answer
x = 719,010.49
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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.