Home / 892,023.21-1,231,001.01-484,128.54

Finding the Fourth Proportional to 892,023.21, 1,231,001.01 and 484,128.54

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Solution

The fourth proportional to 892,023.21, 1,231,001.01 and 484,128.54 is: 668,102.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,023.21 : 1,231,001.01 = 484,128.54 : x
  2. Step 2: Convert to fraction form
    892,023.21/1,231,001.01 = 484,128.54/x
  3. Step 3: Cross multiply
    892,023.21x = 1,231,001.01 × 484,128.54
  4. Step 4: Simplify right side
    892,023.21x = 595,962,721,709.83
  5. Step 5: Solve for x
    x = 595,962,721,709.83/892,023.21
  6. Step 6: Final answer
    x = 668,102.26

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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.