Home / 824,931.92-1,138,408.20-467,235.92

Finding the Fourth Proportional to 824,931.92, 1,138,408.20 and 467,235.92

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Solution

The fourth proportional to 824,931.92, 1,138,408.20 and 467,235.92 is: 644,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,931.92 : 1,138,408.20 = 467,235.92 : x
  2. Step 2: Convert to fraction form
    824,931.92/1,138,408.20 = 467,235.92/x
  3. Step 3: Cross multiply
    824,931.92x = 1,138,408.20 × 467,235.92
  4. Step 4: Simplify right side
    824,931.92x = 531,905,202,662.54
  5. Step 5: Solve for x
    x = 531,905,202,662.54/824,931.92
  6. Step 6: Final answer
    x = 644,786.79

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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.