Home / 641,723.64-885,627.80-366,087.56

Finding the Fourth Proportional to 641,723.64, 885,627.80 and 366,087.56

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Solution

The fourth proportional to 641,723.64, 885,627.80 and 366,087.56 is: 505,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,723.64 : 885,627.80 = 366,087.56 : x
  2. Step 2: Convert to fraction form
    641,723.64/885,627.80 = 366,087.56/x
  3. Step 3: Cross multiply
    641,723.64x = 885,627.80 × 366,087.56
  4. Step 4: Simplify right side
    641,723.64x = 324,217,320,370.17
  5. Step 5: Solve for x
    x = 324,217,320,370.17/641,723.64
  6. Step 6: Final answer
    x = 505,228.89

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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.