Home / 401,833.12-554,523.84-229,749.28

Finding the Fourth Proportional to 401,833.12, 554,523.84 and 229,749.28

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Solution

The fourth proportional to 401,833.12, 554,523.84 and 229,749.28 is: 317,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,833.12 : 554,523.84 = 229,749.28 : x
  2. Step 2: Convert to fraction form
    401,833.12/554,523.84 = 229,749.28/x
  3. Step 3: Cross multiply
    401,833.12x = 554,523.84 × 229,749.28
  4. Step 4: Simplify right side
    401,833.12x = 127,401,452,982.84
  5. Step 5: Solve for x
    x = 127,401,452,982.84/401,833.12
  6. Step 6: Final answer
    x = 317,050.65

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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.