Home / 578,793.67-868,223.30-179,491.21

Finding the Fourth Proportional to 578,793.67, 868,223.30 and 179,491.21

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Solution

The fourth proportional to 578,793.67, 868,223.30 and 179,491.21 is: 269,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,793.67 : 868,223.30 = 179,491.21 : x
  2. Step 2: Convert to fraction form
    578,793.67/868,223.30 = 179,491.21/x
  3. Step 3: Cross multiply
    578,793.67x = 868,223.30 × 179,491.21
  4. Step 4: Simplify right side
    578,793.67x = 155,838,445,428.62
  5. Step 5: Solve for x
    x = 155,838,445,428.62/578,793.67
  6. Step 6: Final answer
    x = 269,246.98

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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.