Home / 892,047.76-1,231,015.48-484,150.32

Finding the Fourth Proportional to 892,047.76, 1,231,015.48 and 484,150.32

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Solution

The fourth proportional to 892,047.76, 1,231,015.48 and 484,150.32 is: 668,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,047.76 : 1,231,015.48 = 484,150.32 : x
  2. Step 2: Convert to fraction form
    892,047.76/1,231,015.48 = 484,150.32/x
  3. Step 3: Cross multiply
    892,047.76x = 1,231,015.48 × 484,150.32
  4. Step 4: Simplify right side
    892,047.76x = 595,996,538,566.95
  5. Step 5: Solve for x
    x = 595,996,538,566.95/892,047.76
  6. Step 6: Final answer
    x = 668,121.78

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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.