Home / 451,256.54-622,734.14-247,315.55

Finding the Fourth Proportional to 451,256.54, 622,734.14 and 247,315.55

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Solution

The fourth proportional to 451,256.54, 622,734.14 and 247,315.55 is: 341,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,256.54 : 622,734.14 = 247,315.55 : x
  2. Step 2: Convert to fraction form
    451,256.54/622,734.14 = 247,315.55/x
  3. Step 3: Cross multiply
    451,256.54x = 622,734.14 × 247,315.55
  4. Step 4: Simplify right side
    451,256.54x = 154,011,836,658.14
  5. Step 5: Solve for x
    x = 154,011,836,658.14/451,256.54
  6. Step 6: Final answer
    x = 341,295.52

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1.5x scale

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.