Home / 401,025.12-553,393.58-228,936.30

Finding the Fourth Proportional to 401,025.12, 553,393.58 and 228,936.30

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Solution

The fourth proportional to 401,025.12, 553,393.58 and 228,936.30 is: 315,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,025.12 : 553,393.58 = 228,936.30 : x
  2. Step 2: Convert to fraction form
    401,025.12/553,393.58 = 228,936.30/x
  3. Step 3: Cross multiply
    401,025.12x = 553,393.58 × 228,936.30
  4. Step 4: Simplify right side
    401,025.12x = 126,691,878,648.95
  5. Step 5: Solve for x
    x = 126,691,878,648.95/401,025.12
  6. Step 6: Final answer
    x = 315,920.06

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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.