Home / 824,676.12-1,237,015.08-225,592.92

Finding the Fourth Proportional to 824,676.12, 1,237,015.08 and 225,592.92

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Solution

The fourth proportional to 824,676.12, 1,237,015.08 and 225,592.92 is: 338,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,676.12 : 1,237,015.08 = 225,592.92 : x
  2. Step 2: Convert to fraction form
    824,676.12/1,237,015.08 = 225,592.92/x
  3. Step 3: Cross multiply
    824,676.12x = 1,237,015.08 × 225,592.92
  4. Step 4: Simplify right side
    824,676.12x = 279,061,843,981.23
  5. Step 5: Solve for x
    x = 279,061,843,981.23/824,676.12
  6. Step 6: Final answer
    x = 338,389.63

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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.