Home / 1,212,891.45-1,673,801.87-669,050.16

Finding the Fourth Proportional to 1,212,891.45, 1,673,801.87 and 669,050.16

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Solution

The fourth proportional to 1,212,891.45, 1,673,801.87 and 669,050.16 is: 923,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,891.45 : 1,673,801.87 = 669,050.16 : x
  2. Step 2: Convert to fraction form
    1,212,891.45/1,673,801.87 = 669,050.16/x
  3. Step 3: Cross multiply
    1,212,891.45x = 1,673,801.87 × 669,050.16
  4. Step 4: Simplify right side
    1,212,891.45x = 1,119,857,405,586.55
  5. Step 5: Solve for x
    x = 1,119,857,405,586.55/1,212,891.45
  6. Step 6: Final answer
    x = 923,295.65

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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.