Home / 824,233.77-1,236,772.85-392,439.89

Finding the Fourth Proportional to 824,233.77, 1,236,772.85 and 392,439.89

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Solution

The fourth proportional to 824,233.77, 1,236,772.85 and 392,439.89 is: 588,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,233.77 : 1,236,772.85 = 392,439.89 : x
  2. Step 2: Convert to fraction form
    824,233.77/1,236,772.85 = 392,439.89/x
  3. Step 3: Cross multiply
    824,233.77x = 1,236,772.85 × 392,439.89
  4. Step 4: Simplify right side
    824,233.77x = 485,358,993,062.92
  5. Step 5: Solve for x
    x = 485,358,993,062.92/824,233.77
  6. Step 6: Final answer
    x = 588,860.84

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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.