Home / 774,930.93-1,162,374.90-206,316.91

Finding the Fourth Proportional to 774,930.93, 1,162,374.90 and 206,316.91

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Solution

The fourth proportional to 774,930.93, 1,162,374.90 and 206,316.91 is: 309,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,930.93 : 1,162,374.90 = 206,316.91 : x
  2. Step 2: Convert to fraction form
    774,930.93/1,162,374.90 = 206,316.91/x
  3. Step 3: Cross multiply
    774,930.93x = 1,162,374.90 × 206,316.91
  4. Step 4: Simplify right side
    774,930.93x = 239,817,597,629.56
  5. Step 5: Solve for x
    x = 239,817,597,629.56/774,930.93
  6. Step 6: Final answer
    x = 309,469.64

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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.