Home / 1,258,584.30-1,888,149.83-459,864.56

Finding the Fourth Proportional to 1,258,584.30, 1,888,149.83 and 459,864.56

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Solution

The fourth proportional to 1,258,584.30, 1,888,149.83 and 459,864.56 is: 689,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,584.30 : 1,888,149.83 = 459,864.56 : x
  2. Step 2: Convert to fraction form
    1,258,584.30/1,888,149.83 = 459,864.56/x
  3. Step 3: Cross multiply
    1,258,584.30x = 1,888,149.83 × 459,864.56
  4. Step 4: Simplify right side
    1,258,584.30x = 868,293,193,208.08
  5. Step 5: Solve for x
    x = 868,293,193,208.08/1,258,584.30
  6. Step 6: Final answer
    x = 689,896.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.