Home / 775,629.12-1,162,814.94-348,852.46

Finding the Fourth Proportional to 775,629.12, 1,162,814.94 and 348,852.46

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Solution

The fourth proportional to 775,629.12, 1,162,814.94 and 348,852.46 is: 522,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,629.12 : 1,162,814.94 = 348,852.46 : x
  2. Step 2: Convert to fraction form
    775,629.12/1,162,814.94 = 348,852.46/x
  3. Step 3: Cross multiply
    775,629.12x = 1,162,814.94 × 348,852.46
  4. Step 4: Simplify right side
    775,629.12x = 405,650,852,343.75
  5. Step 5: Solve for x
    x = 405,650,852,343.75/775,629.12
  6. Step 6: Final answer
    x = 522,995.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.