Home / 638,104.32-957,175.08-238,668.90

Finding the Fourth Proportional to 638,104.32, 957,175.08 and 238,668.90

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Solution

The fourth proportional to 638,104.32, 957,175.08 and 238,668.90 is: 358,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,104.32 : 957,175.08 = 238,668.90 : x
  2. Step 2: Convert to fraction form
    638,104.32/957,175.08 = 238,668.90/x
  3. Step 3: Cross multiply
    638,104.32x = 957,175.08 × 238,668.90
  4. Step 4: Simplify right side
    638,104.32x = 228,447,923,451.01
  5. Step 5: Solve for x
    x = 228,447,923,451.01/638,104.32
  6. Step 6: Final answer
    x = 358,010.31

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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.