Home / 1,250,143.76-1,725,206.66-677,183.91

Finding the Fourth Proportional to 1,250,143.76, 1,725,206.66 and 677,183.91

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Solution

The fourth proportional to 1,250,143.76, 1,725,206.66 and 677,183.91 is: 934,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,143.76 : 1,725,206.66 = 677,183.91 : x
  2. Step 2: Convert to fraction form
    1,250,143.76/1,725,206.66 = 677,183.91/x
  3. Step 3: Cross multiply
    1,250,143.76x = 1,725,206.66 × 677,183.91
  4. Step 4: Simplify right side
    1,250,143.76x = 1,168,282,188,190.92
  5. Step 5: Solve for x
    x = 1,168,282,188,190.92/1,250,143.76
  6. Step 6: Final answer
    x = 934,518.28

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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.