Home / 422,412.84-582,929.64-252,687.06

Finding the Fourth Proportional to 422,412.84, 582,929.64 and 252,687.06

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Solution

The fourth proportional to 422,412.84, 582,929.64 and 252,687.06 is: 348,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,412.84 : 582,929.64 = 252,687.06 : x
  2. Step 2: Convert to fraction form
    422,412.84/582,929.64 = 252,687.06/x
  3. Step 3: Cross multiply
    422,412.84x = 582,929.64 × 252,687.06
  4. Step 4: Simplify right side
    422,412.84x = 147,298,776,918.46
  5. Step 5: Solve for x
    x = 147,298,776,918.46/422,412.84
  6. Step 6: Final answer
    x = 348,708.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.