Home / 824,233.27-1,236,772.10-392,439.39

Finding the Fourth Proportional to 824,233.27, 1,236,772.10 and 392,439.39

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Solution

The fourth proportional to 824,233.27, 1,236,772.10 and 392,439.39 is: 588,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,233.27 : 1,236,772.10 = 392,439.39 : x
  2. Step 2: Convert to fraction form
    824,233.27/1,236,772.10 = 392,439.39/x
  3. Step 3: Cross multiply
    824,233.27x = 1,236,772.10 × 392,439.39
  4. Step 4: Simplify right side
    824,233.27x = 485,358,088,493.02
  5. Step 5: Solve for x
    x = 485,358,088,493.02/824,233.27
  6. Step 6: Final answer
    x = 588,860.10

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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.