Home / 892,031.91-1,231,012.90-484,137.38

Finding the Fourth Proportional to 892,031.91, 1,231,012.90 and 484,137.38

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Solution

The fourth proportional to 892,031.91, 1,231,012.90 and 484,137.38 is: 668,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,031.91 : 1,231,012.90 = 484,137.38 : x
  2. Step 2: Convert to fraction form
    892,031.91/1,231,012.90 = 484,137.38/x
  3. Step 3: Cross multiply
    892,031.91x = 1,231,012.90 × 484,137.38
  4. Step 4: Simplify right side
    892,031.91x = 595,979,353,997.14
  5. Step 5: Solve for x
    x = 595,979,353,997.14/892,031.91
  6. Step 6: Final answer
    x = 668,114.39

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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.