Home / 1,521,140.41-2,099,198.64-832,800.79

Finding the Fourth Proportional to 1,521,140.41, 2,099,198.64 and 832,800.79

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Solution

The fourth proportional to 1,521,140.41, 2,099,198.64 and 832,800.79 is: 1,149,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,140.41 : 2,099,198.64 = 832,800.79 : x
  2. Step 2: Convert to fraction form
    1,521,140.41/2,099,198.64 = 832,800.79/x
  3. Step 3: Cross multiply
    1,521,140.41x = 2,099,198.64 × 832,800.79
  4. Step 4: Simplify right side
    1,521,140.41x = 1,748,214,285,758.93
  5. Step 5: Solve for x
    x = 1,748,214,285,758.93/1,521,140.41
  6. Step 6: Final answer
    x = 1,149,278.71

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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.