Home / 416,180.65-574,717.40-306,321.83

Finding the Fourth Proportional to 416,180.65, 574,717.40 and 306,321.83

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Solution

The fourth proportional to 416,180.65, 574,717.40 and 306,321.83 is: 423,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,180.65 : 574,717.40 = 306,321.83 : x
  2. Step 2: Convert to fraction form
    416,180.65/574,717.40 = 306,321.83/x
  3. Step 3: Cross multiply
    416,180.65x = 574,717.40 × 306,321.83
  4. Step 4: Simplify right side
    416,180.65x = 176,048,481,295.65
  5. Step 5: Solve for x
    x = 176,048,481,295.65/416,180.65
  6. Step 6: Final answer
    x = 423,009.78

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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.