Home / 733,849.40-1,099,461.90-621,000.20

Finding the Fourth Proportional to 733,849.40, 1,099,461.90 and 621,000.20

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Solution

The fourth proportional to 733,849.40, 1,099,461.90 and 621,000.20 is: 930,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,849.40 : 1,099,461.90 = 621,000.20 : x
  2. Step 2: Convert to fraction form
    733,849.40/1,099,461.90 = 621,000.20/x
  3. Step 3: Cross multiply
    733,849.40x = 1,099,461.90 × 621,000.20
  4. Step 4: Simplify right side
    733,849.40x = 682,766,059,792.38
  5. Step 5: Solve for x
    x = 682,766,059,792.38/733,849.40
  6. Step 6: Final answer
    x = 930,389.89

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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.