Home / 401,261.92-553,650.49-272,217.98

Finding the Fourth Proportional to 401,261.92, 553,650.49 and 272,217.98

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Solution

The fourth proportional to 401,261.92, 553,650.49 and 272,217.98 is: 375,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,261.92 : 553,650.49 = 272,217.98 : x
  2. Step 2: Convert to fraction form
    401,261.92/553,650.49 = 272,217.98/x
  3. Step 3: Cross multiply
    401,261.92x = 553,650.49 × 272,217.98
  4. Step 4: Simplify right side
    401,261.92x = 150,713,619,738.21
  5. Step 5: Solve for x
    x = 150,713,619,738.21/401,261.92
  6. Step 6: Final answer
    x = 375,599.11

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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.