Home / 403,960.32-557,997.68-301,808.24

Finding the Fourth Proportional to 403,960.32, 557,997.68 and 301,808.24

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Solution

The fourth proportional to 403,960.32, 557,997.68 and 301,808.24 is: 416,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,960.32 : 557,997.68 = 301,808.24 : x
  2. Step 2: Convert to fraction form
    403,960.32/557,997.68 = 301,808.24/x
  3. Step 3: Cross multiply
    403,960.32x = 557,997.68 × 301,808.24
  4. Step 4: Simplify right side
    403,960.32x = 168,408,297,724.88
  5. Step 5: Solve for x
    x = 168,408,297,724.88/403,960.32
  6. Step 6: Final answer
    x = 416,893.17

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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.