Home / 638,439.03-957,668.00-189,205.47

Finding the Fourth Proportional to 638,439.03, 957,668.00 and 189,205.47

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Solution

The fourth proportional to 638,439.03, 957,668.00 and 189,205.47 is: 283,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,439.03 : 957,668.00 = 189,205.47 : x
  2. Step 2: Convert to fraction form
    638,439.03/957,668.00 = 189,205.47/x
  3. Step 3: Cross multiply
    638,439.03x = 957,668.00 × 189,205.47
  4. Step 4: Simplify right side
    638,439.03x = 181,196,023,097.93
  5. Step 5: Solve for x
    x = 181,196,023,097.93/638,439.03
  6. Step 6: Final answer
    x = 283,811.01

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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.