Home / 638,528.14-957,942.51-189,252.73

Finding the Fourth Proportional to 638,528.14, 957,942.51 and 189,252.73

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Solution

The fourth proportional to 638,528.14, 957,942.51 and 189,252.73 is: 283,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,528.14 : 957,942.51 = 189,252.73 : x
  2. Step 2: Convert to fraction form
    638,528.14/957,942.51 = 189,252.73/x
  3. Step 3: Cross multiply
    638,528.14x = 957,942.51 × 189,252.73
  4. Step 4: Simplify right side
    638,528.14x = 181,293,235,200.55
  5. Step 5: Solve for x
    x = 181,293,235,200.55/638,528.14
  6. Step 6: Final answer
    x = 283,923.64

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Double scale
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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.