Home / 464,813.30-641,579.74-273,888.20

Finding the Fourth Proportional to 464,813.30, 641,579.74 and 273,888.20

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Solution

The fourth proportional to 464,813.30, 641,579.74 and 273,888.20 is: 378,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,813.30 : 641,579.74 = 273,888.20 : x
  2. Step 2: Convert to fraction form
    464,813.30/641,579.74 = 273,888.20/x
  3. Step 3: Cross multiply
    464,813.30x = 641,579.74 × 273,888.20
  4. Step 4: Simplify right side
    464,813.30x = 175,721,120,145.07
  5. Step 5: Solve for x
    x = 175,721,120,145.07/464,813.30
  6. Step 6: Final answer
    x = 378,046.67

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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.