Home / 401,126.40-553,519.68-229,043.52

Finding the Fourth Proportional to 401,126.40, 553,519.68 and 229,043.52

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Solution

The fourth proportional to 401,126.40, 553,519.68 and 229,043.52 is: 316,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,126.40 : 553,519.68 = 229,043.52 : x
  2. Step 2: Convert to fraction form
    401,126.40/553,519.68 = 229,043.52/x
  3. Step 3: Cross multiply
    401,126.40x = 553,519.68 × 229,043.52
  4. Step 4: Simplify right side
    401,126.40x = 126,780,095,896.47
  5. Step 5: Solve for x
    x = 126,780,095,896.47/401,126.40
  6. Step 6: Final answer
    x = 316,060.21

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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.