Home / 448,628.28-619,085.18-267,336.17

Finding the Fourth Proportional to 448,628.28, 619,085.18 and 267,336.17

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Solution

The fourth proportional to 448,628.28, 619,085.18 and 267,336.17 is: 368,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,628.28 : 619,085.18 = 267,336.17 : x
  2. Step 2: Convert to fraction form
    448,628.28/619,085.18 = 267,336.17/x
  3. Step 3: Cross multiply
    448,628.28x = 619,085.18 × 267,336.17
  4. Step 4: Simplify right side
    448,628.28x = 165,503,859,315.68
  5. Step 5: Solve for x
    x = 165,503,859,315.68/448,628.28
  6. Step 6: Final answer
    x = 368,910.90

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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.