Home / 767,372.34-1,151,163.54-261,797.58

Finding the Fourth Proportional to 767,372.34, 1,151,163.54 and 261,797.58

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Solution

The fourth proportional to 767,372.34, 1,151,163.54 and 261,797.58 is: 392,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,372.34 : 1,151,163.54 = 261,797.58 : x
  2. Step 2: Convert to fraction form
    767,372.34/1,151,163.54 = 261,797.58/x
  3. Step 3: Cross multiply
    767,372.34x = 1,151,163.54 × 261,797.58
  4. Step 4: Simplify right side
    767,372.34x = 301,371,828,956.23
  5. Step 5: Solve for x
    x = 301,371,828,956.23/767,372.34
  6. Step 6: Final answer
    x = 392,732.20

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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.