Home / 489,938.60-733,624.85-320,927.24

Finding the Fourth Proportional to 489,938.60, 733,624.85 and 320,927.24

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Solution

The fourth proportional to 489,938.60, 733,624.85 and 320,927.24 is: 480,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,938.60 : 733,624.85 = 320,927.24 : x
  2. Step 2: Convert to fraction form
    489,938.60/733,624.85 = 320,927.24/x
  3. Step 3: Cross multiply
    489,938.60x = 733,624.85 × 320,927.24
  4. Step 4: Simplify right side
    489,938.60x = 235,440,200,942.29
  5. Step 5: Solve for x
    x = 235,440,200,942.29/489,938.60
  6. Step 6: Final answer
    x = 480,550.42

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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.