Home / 1,231,784.40-1,847,676.60-893,236.80

Finding the Fourth Proportional to 1,231,784.40, 1,847,676.60 and 893,236.80

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Solution

The fourth proportional to 1,231,784.40, 1,847,676.60 and 893,236.80 is: 1,339,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,784.40 : 1,847,676.60 = 893,236.80 : x
  2. Step 2: Convert to fraction form
    1,231,784.40/1,847,676.60 = 893,236.80/x
  3. Step 3: Cross multiply
    1,231,784.40x = 1,847,676.60 × 893,236.80
  4. Step 4: Simplify right side
    1,231,784.40x = 1,650,412,733,618.88
  5. Step 5: Solve for x
    x = 1,650,412,733,618.88/1,231,784.40
  6. Step 6: Final answer
    x = 1,339,855.20

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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.