Home / 422,325.45-582,669.59-258,921.45

Finding the Fourth Proportional to 422,325.45, 582,669.59 and 258,921.45

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Solution

The fourth proportional to 422,325.45, 582,669.59 and 258,921.45 is: 357,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,325.45 : 582,669.59 = 258,921.45 : x
  2. Step 2: Convert to fraction form
    422,325.45/582,669.59 = 258,921.45/x
  3. Step 3: Cross multiply
    422,325.45x = 582,669.59 × 258,921.45
  4. Step 4: Simplify right side
    422,325.45x = 150,865,653,819.10
  5. Step 5: Solve for x
    x = 150,865,653,819.10/422,325.45
  6. Step 6: Final answer
    x = 357,226.05

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1.5x scale

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.