Home / 451,238.55-622,544.43-269,955.69

Finding the Fourth Proportional to 451,238.55, 622,544.43 and 269,955.69

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Solution

The fourth proportional to 451,238.55, 622,544.43 and 269,955.69 is: 372,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,238.55 : 622,544.43 = 269,955.69 : x
  2. Step 2: Convert to fraction form
    451,238.55/622,544.43 = 269,955.69/x
  3. Step 3: Cross multiply
    451,238.55x = 622,544.43 × 269,955.69
  4. Step 4: Simplify right side
    451,238.55x = 168,059,411,156.31
  5. Step 5: Solve for x
    x = 168,059,411,156.31/451,238.55
  6. Step 6: Final answer
    x = 372,440.28

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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.