Home / 622,667.37-859,345.70-381,110.79

Finding the Fourth Proportional to 622,667.37, 859,345.70 and 381,110.79

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Solution

The fourth proportional to 622,667.37, 859,345.70 and 381,110.79 is: 525,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,667.37 : 859,345.70 = 381,110.79 : x
  2. Step 2: Convert to fraction form
    622,667.37/859,345.70 = 381,110.79/x
  3. Step 3: Cross multiply
    622,667.37x = 859,345.70 × 381,110.79
  4. Step 4: Simplify right side
    622,667.37x = 327,505,916,704.55
  5. Step 5: Solve for x
    x = 327,505,916,704.55/622,667.37
  6. Step 6: Final answer
    x = 525,972.51

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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.