Home / 615,769.92-923,920.97-331,127.77

Finding the Fourth Proportional to 615,769.92, 923,920.97 and 331,127.77

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Solution

The fourth proportional to 615,769.92, 923,920.97 and 331,127.77 is: 496,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,769.92 : 923,920.97 = 331,127.77 : x
  2. Step 2: Convert to fraction form
    615,769.92/923,920.97 = 331,127.77/x
  3. Step 3: Cross multiply
    615,769.92x = 923,920.97 × 331,127.77
  4. Step 4: Simplify right side
    615,769.92x = 305,935,890,452.34
  5. Step 5: Solve for x
    x = 305,935,890,452.34/615,769.92
  6. Step 6: Final answer
    x = 496,834.74

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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.