Home / 828,982.56-1,143,987.84-461,453.87

Finding the Fourth Proportional to 828,982.56, 1,143,987.84 and 461,453.87

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Solution

The fourth proportional to 828,982.56, 1,143,987.84 and 461,453.87 is: 636,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,982.56 : 1,143,987.84 = 461,453.87 : x
  2. Step 2: Convert to fraction form
    828,982.56/1,143,987.84 = 461,453.87/x
  3. Step 3: Cross multiply
    828,982.56x = 1,143,987.84 × 461,453.87
  4. Step 4: Simplify right side
    828,982.56x = 527,897,612,425.98
  5. Step 5: Solve for x
    x = 527,897,612,425.98/828,982.56
  6. Step 6: Final answer
    x = 636,801.83

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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.