Home / 1,212,953.67-1,673,846.51-669,077.55

Finding the Fourth Proportional to 1,212,953.67, 1,673,846.51 and 669,077.55

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Solution

The fourth proportional to 1,212,953.67, 1,673,846.51 and 669,077.55 is: 923,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,953.67 : 1,673,846.51 = 669,077.55 : x
  2. Step 2: Convert to fraction form
    1,212,953.67/1,673,846.51 = 669,077.55/x
  3. Step 3: Cross multiply
    1,212,953.67x = 1,673,846.51 × 669,077.55
  4. Step 4: Simplify right side
    1,212,953.67x = 1,119,933,118,641.46
  5. Step 5: Solve for x
    x = 1,119,933,118,641.46/1,212,953.67
  6. Step 6: Final answer
    x = 923,310.71

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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.