Home / 451,168.13-622,585.18-247,178.45

Finding the Fourth Proportional to 451,168.13, 622,585.18 and 247,178.45

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Solution

The fourth proportional to 451,168.13, 622,585.18 and 247,178.45 is: 341,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,168.13 : 622,585.18 = 247,178.45 : x
  2. Step 2: Convert to fraction form
    451,168.13/622,585.18 = 247,178.45/x
  3. Step 3: Cross multiply
    451,168.13x = 622,585.18 × 247,178.45
  4. Step 4: Simplify right side
    451,168.13x = 153,889,639,785.37
  5. Step 5: Solve for x
    x = 153,889,639,785.37/451,168.13
  6. Step 6: Final answer
    x = 341,091.56

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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.