Home / 417,819.60-626,998.20-230,965.20

Finding the Fourth Proportional to 417,819.60, 626,998.20 and 230,965.20

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Solution

The fourth proportional to 417,819.60, 626,998.20 and 230,965.20 is: 346,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,819.60 : 626,998.20 = 230,965.20 : x
  2. Step 2: Convert to fraction form
    417,819.60/626,998.20 = 230,965.20/x
  3. Step 3: Cross multiply
    417,819.60x = 626,998.20 × 230,965.20
  4. Step 4: Simplify right side
    417,819.60x = 144,814,764,662.64
  5. Step 5: Solve for x
    x = 144,814,764,662.64/417,819.60
  6. Step 6: Final answer
    x = 346,596.39

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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.