Home / 1,258,593.30-1,888,163.34-459,873.57

Finding the Fourth Proportional to 1,258,593.30, 1,888,163.34 and 459,873.57

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Solution

The fourth proportional to 1,258,593.30, 1,888,163.34 and 459,873.57 is: 689,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,593.30 : 1,888,163.34 = 459,873.57 : x
  2. Step 2: Convert to fraction form
    1,258,593.30/1,888,163.34 = 459,873.57/x
  3. Step 3: Cross multiply
    1,258,593.30x = 1,888,163.34 × 459,873.57
  4. Step 4: Simplify right side
    1,258,593.30x = 868,316,415,908.92
  5. Step 5: Solve for x
    x = 868,316,415,908.92/1,258,593.30
  6. Step 6: Final answer
    x = 689,910.25

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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.