Home / 401,181.36-553,691.24-256,049.76

Finding the Fourth Proportional to 401,181.36, 553,691.24 and 256,049.76

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Solution

The fourth proportional to 401,181.36, 553,691.24 and 256,049.76 is: 353,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,181.36 : 553,691.24 = 256,049.76 : x
  2. Step 2: Convert to fraction form
    401,181.36/553,691.24 = 256,049.76/x
  3. Step 3: Cross multiply
    401,181.36x = 553,691.24 × 256,049.76
  4. Step 4: Simplify right side
    401,181.36x = 141,772,509,116.10
  5. Step 5: Solve for x
    x = 141,772,509,116.10/401,181.36
  6. Step 6: Final answer
    x = 353,387.58

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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.