Home / 859,819.58-1,289,727.81-228,733.40

Finding the Fourth Proportional to 859,819.58, 1,289,727.81 and 228,733.40

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Solution

The fourth proportional to 859,819.58, 1,289,727.81 and 228,733.40 is: 343,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,819.58 : 1,289,727.81 = 228,733.40 : x
  2. Step 2: Convert to fraction form
    859,819.58/1,289,727.81 = 228,733.40/x
  3. Step 3: Cross multiply
    859,819.58x = 1,289,727.81 × 228,733.40
  4. Step 4: Simplify right side
    859,819.58x = 295,003,827,055.85
  5. Step 5: Solve for x
    x = 295,003,827,055.85/859,819.58
  6. Step 6: Final answer
    x = 343,099.69

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1.5x scale

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.