Home / 1,214,150.76-1,675,530.86-670,286.93

Finding the Fourth Proportional to 1,214,150.76, 1,675,530.86 and 670,286.93

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Solution

The fourth proportional to 1,214,150.76, 1,675,530.86 and 670,286.93 is: 924,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,150.76 : 1,675,530.86 = 670,286.93 : x
  2. Step 2: Convert to fraction form
    1,214,150.76/1,675,530.86 = 670,286.93/x
  3. Step 3: Cross multiply
    1,214,150.76x = 1,675,530.86 × 670,286.93
  4. Step 4: Simplify right side
    1,214,150.76x = 1,123,086,424,540.57
  5. Step 5: Solve for x
    x = 1,123,086,424,540.57/1,214,150.76
  6. Step 6: Final answer
    x = 924,997.51

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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.