Home / 775,924.88-1,071,268.20-531,318.92

Finding the Fourth Proportional to 775,924.88, 1,071,268.20 and 531,318.92

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Solution

The fourth proportional to 775,924.88, 1,071,268.20 and 531,318.92 is: 733,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,924.88 : 1,071,268.20 = 531,318.92 : x
  2. Step 2: Convert to fraction form
    775,924.88/1,071,268.20 = 531,318.92/x
  3. Step 3: Cross multiply
    775,924.88x = 1,071,268.20 × 531,318.92
  4. Step 4: Simplify right side
    775,924.88x = 569,185,057,698.00
  5. Step 5: Solve for x
    x = 569,185,057,698.00/775,924.88
  6. Step 6: Final answer
    x = 733,556.92

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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.