Home / 675,936.53-932,793.24-421,287.50

Finding the Fourth Proportional to 675,936.53, 932,793.24 and 421,287.50

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Solution

The fourth proportional to 675,936.53, 932,793.24 and 421,287.50 is: 581,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,936.53 : 932,793.24 = 421,287.50 : x
  2. Step 2: Convert to fraction form
    675,936.53/932,793.24 = 421,287.50/x
  3. Step 3: Cross multiply
    675,936.53x = 932,793.24 × 421,287.50
  4. Step 4: Simplify right side
    675,936.53x = 392,974,132,096.50
  5. Step 5: Solve for x
    x = 392,974,132,096.50/675,936.53
  6. Step 6: Final answer
    x = 581,377.27

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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.