Home / 1,064,745.62-1,469,124.39-677,421.17

Finding the Fourth Proportional to 1,064,745.62, 1,469,124.39 and 677,421.17

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Solution

The fourth proportional to 1,064,745.62, 1,469,124.39 and 677,421.17 is: 934,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,745.62 : 1,469,124.39 = 677,421.17 : x
  2. Step 2: Convert to fraction form
    1,064,745.62/1,469,124.39 = 677,421.17/x
  3. Step 3: Cross multiply
    1,064,745.62x = 1,469,124.39 × 677,421.17
  4. Step 4: Simplify right side
    1,064,745.62x = 995,215,963,149.34
  5. Step 5: Solve for x
    x = 995,215,963,149.34/1,064,745.62
  6. Step 6: Final answer
    x = 934,698.34

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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.