Home / 388,536.03-582,656.40-185,924.16

Finding the Fourth Proportional to 388,536.03, 582,656.40 and 185,924.16

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Solution

The fourth proportional to 388,536.03, 582,656.40 and 185,924.16 is: 278,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,536.03 : 582,656.40 = 185,924.16 : x
  2. Step 2: Convert to fraction form
    388,536.03/582,656.40 = 185,924.16/x
  3. Step 3: Cross multiply
    388,536.03x = 582,656.40 × 185,924.16
  4. Step 4: Simplify right side
    388,536.03x = 108,329,901,738.62
  5. Step 5: Solve for x
    x = 108,329,901,738.62/388,536.03
  6. Step 6: Final answer
    x = 278,815.59

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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.