Home / 464,849.20-697,273.80-445,166.20

Finding the Fourth Proportional to 464,849.20, 697,273.80 and 445,166.20

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Solution

The fourth proportional to 464,849.20, 697,273.80 and 445,166.20 is: 667,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,849.20 : 697,273.80 = 445,166.20 : x
  2. Step 2: Convert to fraction form
    464,849.20/697,273.80 = 445,166.20/x
  3. Step 3: Cross multiply
    464,849.20x = 697,273.80 × 445,166.20
  4. Step 4: Simplify right side
    464,849.20x = 310,402,727,905.56
  5. Step 5: Solve for x
    x = 310,402,727,905.56/464,849.20
  6. Step 6: Final answer
    x = 667,749.30

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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.