Home / 405,925.54-609,451.46-255,722.38

Finding the Fourth Proportional to 405,925.54, 609,451.46 and 255,722.38

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Solution

The fourth proportional to 405,925.54, 609,451.46 and 255,722.38 is: 383,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,925.54 : 609,451.46 = 255,722.38 : x
  2. Step 2: Convert to fraction form
    405,925.54/609,451.46 = 255,722.38/x
  3. Step 3: Cross multiply
    405,925.54x = 609,451.46 × 255,722.38
  4. Step 4: Simplify right side
    405,925.54x = 155,850,377,845.68
  5. Step 5: Solve for x
    x = 155,850,377,845.68/405,925.54
  6. Step 6: Final answer
    x = 383,938.34

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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.