Home / 824,545.11-1,236,800.04-225,506.27

Finding the Fourth Proportional to 824,545.11, 1,236,800.04 and 225,506.27

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Solution

The fourth proportional to 824,545.11, 1,236,800.04 and 225,506.27 is: 338,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,545.11 : 1,236,800.04 = 225,506.27 : x
  2. Step 2: Convert to fraction form
    824,545.11/1,236,800.04 = 225,506.27/x
  3. Step 3: Cross multiply
    824,545.11x = 1,236,800.04 × 225,506.27
  4. Step 4: Simplify right side
    824,545.11x = 278,906,157,572.25
  5. Step 5: Solve for x
    x = 278,906,157,572.25/824,545.11
  6. Step 6: Final answer
    x = 338,254.58

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Double scale
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Similar ratio
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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.