Home / 603,289.89-904,934.53-154,010.61

Finding the Fourth Proportional to 603,289.89, 904,934.53 and 154,010.61

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Solution

The fourth proportional to 603,289.89, 904,934.53 and 154,010.61 is: 231,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,289.89 : 904,934.53 = 154,010.61 : x
  2. Step 2: Convert to fraction form
    603,289.89/904,934.53 = 154,010.61/x
  3. Step 3: Cross multiply
    603,289.89x = 904,934.53 × 154,010.61
  4. Step 4: Simplify right side
    603,289.89x = 139,369,518,975.36
  5. Step 5: Solve for x
    x = 139,369,518,975.36/603,289.89
  6. Step 6: Final answer
    x = 231,015.84

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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.