Home / 1,579,780.20-2,180,091.93-854,627.76

Finding the Fourth Proportional to 1,579,780.20, 2,180,091.93 and 854,627.76

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Solution

The fourth proportional to 1,579,780.20, 2,180,091.93 and 854,627.76 is: 1,179,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,780.20 : 2,180,091.93 = 854,627.76 : x
  2. Step 2: Convert to fraction form
    1,579,780.20/2,180,091.93 = 854,627.76/x
  3. Step 3: Cross multiply
    1,579,780.20x = 2,180,091.93 × 854,627.76
  4. Step 4: Simplify right side
    1,579,780.20x = 1,863,167,082,729.98
  5. Step 5: Solve for x
    x = 1,863,167,082,729.98/1,579,780.20
  6. Step 6: Final answer
    x = 1,179,383.74

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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.