Home / 1,044,628.17-1,441,140.73-721,777.76

Finding the Fourth Proportional to 1,044,628.17, 1,441,140.73 and 721,777.76

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Solution

The fourth proportional to 1,044,628.17, 1,441,140.73 and 721,777.76 is: 995,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,628.17 : 1,441,140.73 = 721,777.76 : x
  2. Step 2: Convert to fraction form
    1,044,628.17/1,441,140.73 = 721,777.76/x
  3. Step 3: Cross multiply
    1,044,628.17x = 1,441,140.73 × 721,777.76
  4. Step 4: Simplify right side
    1,044,628.17x = 1,040,183,329,742.57
  5. Step 5: Solve for x
    x = 1,040,183,329,742.57/1,044,628.17
  6. Step 6: Final answer
    x = 995,745.05

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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.