Home / 1,511,633.86-2,267,436.68-612,861.94

Finding the Fourth Proportional to 1,511,633.86, 2,267,436.68 and 612,861.94

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Solution

The fourth proportional to 1,511,633.86, 2,267,436.68 and 612,861.94 is: 919,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,633.86 : 2,267,436.68 = 612,861.94 : x
  2. Step 2: Convert to fraction form
    1,511,633.86/2,267,436.68 = 612,861.94/x
  3. Step 3: Cross multiply
    1,511,633.86x = 2,267,436.68 × 612,861.94
  4. Step 4: Simplify right side
    1,511,633.86x = 1,389,625,642,531.96
  5. Step 5: Solve for x
    x = 1,389,625,642,531.96/1,511,633.86
  6. Step 6: Final answer
    x = 919,287.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.