Home / 403,408.36-556,698.84-222,116.44

Finding the Fourth Proportional to 403,408.36, 556,698.84 and 222,116.44

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Solution

The fourth proportional to 403,408.36, 556,698.84 and 222,116.44 is: 306,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,408.36 : 556,698.84 = 222,116.44 : x
  2. Step 2: Convert to fraction form
    403,408.36/556,698.84 = 222,116.44/x
  3. Step 3: Cross multiply
    403,408.36x = 556,698.84 × 222,116.44
  4. Step 4: Simplify right side
    403,408.36x = 123,651,964,492.93
  5. Step 5: Solve for x
    x = 123,651,964,492.93/403,408.36
  6. Step 6: Final answer
    x = 306,518.10

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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.