Home / 733,849.90-1,099,462.65-621,000.70

Finding the Fourth Proportional to 733,849.90, 1,099,462.65 and 621,000.70

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Solution

The fourth proportional to 733,849.90, 1,099,462.65 and 621,000.70 is: 930,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,849.90 : 1,099,462.65 = 621,000.70 : x
  2. Step 2: Convert to fraction form
    733,849.90/1,099,462.65 = 621,000.70/x
  3. Step 3: Cross multiply
    733,849.90x = 1,099,462.65 × 621,000.70
  4. Step 4: Simplify right side
    733,849.90x = 682,767,075,273.86
  5. Step 5: Solve for x
    x = 682,767,075,273.86/733,849.90
  6. Step 6: Final answer
    x = 930,390.64

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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.