Home / 451,411.79-622,955.34-270,131.36

Finding the Fourth Proportional to 451,411.79, 622,955.34 and 270,131.36

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Solution

The fourth proportional to 451,411.79, 622,955.34 and 270,131.36 is: 372,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,411.79 : 622,955.34 = 270,131.36 : x
  2. Step 2: Convert to fraction form
    451,411.79/622,955.34 = 270,131.36/x
  3. Step 3: Cross multiply
    451,411.79x = 622,955.34 × 270,131.36
  4. Step 4: Simplify right side
    451,411.79x = 168,279,770,098.69
  5. Step 5: Solve for x
    x = 168,279,770,098.69/451,411.79
  6. Step 6: Final answer
    x = 372,785.50

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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.