Home / 1,227,265.67-1,840,042.61-543,780.78

Finding the Fourth Proportional to 1,227,265.67, 1,840,042.61 and 543,780.78

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Solution

The fourth proportional to 1,227,265.67, 1,840,042.61 and 543,780.78 is: 815,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,265.67 : 1,840,042.61 = 543,780.78 : x
  2. Step 2: Convert to fraction form
    1,227,265.67/1,840,042.61 = 543,780.78/x
  3. Step 3: Cross multiply
    1,227,265.67x = 1,840,042.61 × 543,780.78
  4. Step 4: Simplify right side
    1,227,265.67x = 1,000,579,805,699.04
  5. Step 5: Solve for x
    x = 1,000,579,805,699.04/1,227,265.67
  6. Step 6: Final answer
    x = 815,291.94

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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.