Home / 1,317,258.92-1,817,819.22-713,646.92

Finding the Fourth Proportional to 1,317,258.92, 1,817,819.22 and 713,646.92

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Solution

The fourth proportional to 1,317,258.92, 1,817,819.22 and 713,646.92 is: 984,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,258.92 : 1,817,819.22 = 713,646.92 : x
  2. Step 2: Convert to fraction form
    1,317,258.92/1,817,819.22 = 713,646.92/x
  3. Step 3: Cross multiply
    1,317,258.92x = 1,817,819.22 × 713,646.92
  4. Step 4: Simplify right side
    1,317,258.92x = 1,297,281,087,469.80
  5. Step 5: Solve for x
    x = 1,297,281,087,469.80/1,317,258.92
  6. Step 6: Final answer
    x = 984,833.78

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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.