Home / 451,010.20-622,386.21-247,065.16

Finding the Fourth Proportional to 451,010.20, 622,386.21 and 247,065.16

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Solution

The fourth proportional to 451,010.20, 622,386.21 and 247,065.16 is: 340,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,010.20 : 622,386.21 = 247,065.16 : x
  2. Step 2: Convert to fraction form
    451,010.20/622,386.21 = 247,065.16/x
  3. Step 3: Cross multiply
    451,010.20x = 622,386.21 × 247,065.16
  4. Step 4: Simplify right side
    451,010.20x = 153,769,948,555.44
  5. Step 5: Solve for x
    x = 153,769,948,555.44/451,010.20
  6. Step 6: Final answer
    x = 340,945.61

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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.