Home / 334,519.30-462,019.76-220,308.48

Finding the Fourth Proportional to 334,519.30, 462,019.76 and 220,308.48

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Solution

The fourth proportional to 334,519.30, 462,019.76 and 220,308.48 is: 304,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,519.30 : 462,019.76 = 220,308.48 : x
  2. Step 2: Convert to fraction form
    334,519.30/462,019.76 = 220,308.48/x
  3. Step 3: Cross multiply
    334,519.30x = 462,019.76 × 220,308.48
  4. Step 4: Simplify right side
    334,519.30x = 101,786,871,055.57
  5. Step 5: Solve for x
    x = 101,786,871,055.57/334,519.30
  6. Step 6: Final answer
    x = 304,278.02

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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.