Home / 1,383,277-1,910,496.90-929,780.68

Finding the Fourth Proportional to 1,383,277, 1,910,496.90 and 929,780.68

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Solution

The fourth proportional to 1,383,277, 1,910,496.90 and 929,780.68 is: 1,284,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,277 : 1,910,496.90 = 929,780.68 : x
  2. Step 2: Convert to fraction form
    1,383,277/1,910,496.90 = 929,780.68/x
  3. Step 3: Cross multiply
    1,383,277x = 1,910,496.90 × 929,780.68
  4. Step 4: Simplify right side
    1,383,277x = 1,776,343,106,819.89
  5. Step 5: Solve for x
    x = 1,776,343,106,819.89/1,383,277
  6. Step 6: Final answer
    x = 1,284,155.75

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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.