Home / 451,071.06-622,470.51-247,120.08

Finding the Fourth Proportional to 451,071.06, 622,470.51 and 247,120.08

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Solution

The fourth proportional to 451,071.06, 622,470.51 and 247,120.08 is: 341,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,071.06 : 622,470.51 = 247,120.08 : x
  2. Step 2: Convert to fraction form
    451,071.06/622,470.51 = 247,120.08/x
  3. Step 3: Cross multiply
    451,071.06x = 622,470.51 × 247,120.08
  4. Step 4: Simplify right side
    451,071.06x = 153,824,962,228.84
  5. Step 5: Solve for x
    x = 153,824,962,228.84/451,071.06
  6. Step 6: Final answer
    x = 341,021.57

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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.