Home / 1,623,778.96-2,240,819.22-898,676.68

Finding the Fourth Proportional to 1,623,778.96, 2,240,819.22 and 898,676.68

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Solution

The fourth proportional to 1,623,778.96, 2,240,819.22 and 898,676.68 is: 1,240,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,778.96 : 2,240,819.22 = 898,676.68 : x
  2. Step 2: Convert to fraction form
    1,623,778.96/2,240,819.22 = 898,676.68/x
  3. Step 3: Cross multiply
    1,623,778.96x = 2,240,819.22 × 898,676.68
  4. Step 4: Simplify right side
    1,623,778.96x = 2,013,771,977,109.79
  5. Step 5: Solve for x
    x = 2,013,771,977,109.79/1,623,778.96
  6. Step 6: Final answer
    x = 1,240,176.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.