Home / 403,630.08-556,993.83-242,573.73

Finding the Fourth Proportional to 403,630.08, 556,993.83 and 242,573.73

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Solution

The fourth proportional to 403,630.08, 556,993.83 and 242,573.73 is: 334,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,630.08 : 556,993.83 = 242,573.73 : x
  2. Step 2: Convert to fraction form
    403,630.08/556,993.83 = 242,573.73/x
  3. Step 3: Cross multiply
    403,630.08x = 556,993.83 × 242,573.73
  4. Step 4: Simplify right side
    403,630.08x = 135,112,070,930.09
  5. Step 5: Solve for x
    x = 135,112,070,930.09/403,630.08
  6. Step 6: Final answer
    x = 334,742.32

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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.