Home / 775,630.12-1,162,816.44-348,853.46

Finding the Fourth Proportional to 775,630.12, 1,162,816.44 and 348,853.46

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Solution

The fourth proportional to 775,630.12, 1,162,816.44 and 348,853.46 is: 522,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,630.12 : 1,162,816.44 = 348,853.46 : x
  2. Step 2: Convert to fraction form
    775,630.12/1,162,816.44 = 348,853.46/x
  3. Step 3: Cross multiply
    775,630.12x = 1,162,816.44 × 348,853.46
  4. Step 4: Simplify right side
    775,630.12x = 405,652,538,438.88
  5. Step 5: Solve for x
    x = 405,652,538,438.88/775,630.12
  6. Step 6: Final answer
    x = 522,997.40

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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.