Home / 583,576.20-805,999.46-392,257.44

Finding the Fourth Proportional to 583,576.20, 805,999.46 and 392,257.44

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Solution

The fourth proportional to 583,576.20, 805,999.46 and 392,257.44 is: 541,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,576.20 : 805,999.46 = 392,257.44 : x
  2. Step 2: Convert to fraction form
    583,576.20/805,999.46 = 392,257.44/x
  3. Step 3: Cross multiply
    583,576.20x = 805,999.46 × 392,257.44
  4. Step 4: Simplify right side
    583,576.20x = 316,159,284,820.98
  5. Step 5: Solve for x
    x = 316,159,284,820.98/583,576.20
  6. Step 6: Final answer
    x = 541,761.79

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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.