Home / 824,123.11-1,236,606.60-392,329.27

Finding the Fourth Proportional to 824,123.11, 1,236,606.60 and 392,329.27

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Solution

The fourth proportional to 824,123.11, 1,236,606.60 and 392,329.27 is: 588,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,123.11 : 1,236,606.60 = 392,329.27 : x
  2. Step 2: Convert to fraction form
    824,123.11/1,236,606.60 = 392,329.27/x
  3. Step 3: Cross multiply
    824,123.11x = 1,236,606.60 × 392,329.27
  4. Step 4: Simplify right side
    824,123.11x = 485,156,965,465.32
  5. Step 5: Solve for x
    x = 485,156,965,465.32/824,123.11
  6. Step 6: Final answer
    x = 588,694.77

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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.