Home / 874,141.43-1,206,352.37-486,956.37

Finding the Fourth Proportional to 874,141.43, 1,206,352.37 and 486,956.37

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Solution

The fourth proportional to 874,141.43, 1,206,352.37 and 486,956.37 is: 672,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,141.43 : 1,206,352.37 = 486,956.37 : x
  2. Step 2: Convert to fraction form
    874,141.43/1,206,352.37 = 486,956.37/x
  3. Step 3: Cross multiply
    874,141.43x = 1,206,352.37 × 486,956.37
  4. Step 4: Simplify right side
    874,141.43x = 587,440,968,601.32
  5. Step 5: Solve for x
    x = 587,440,968,601.32/874,141.43
  6. Step 6: Final answer
    x = 672,020.51

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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.