Home / 566,819.58-782,195.05-308,690.72

Finding the Fourth Proportional to 566,819.58, 782,195.05 and 308,690.72

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Solution

The fourth proportional to 566,819.58, 782,195.05 and 308,690.72 is: 425,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,819.58 : 782,195.05 = 308,690.72 : x
  2. Step 2: Convert to fraction form
    566,819.58/782,195.05 = 308,690.72/x
  3. Step 3: Cross multiply
    566,819.58x = 782,195.05 × 308,690.72
  4. Step 4: Simplify right side
    566,819.58x = 241,456,353,164.94
  5. Step 5: Solve for x
    x = 241,456,353,164.94/566,819.58
  6. Step 6: Final answer
    x = 425,984.50

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1.5x scale

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.