Home / 626,539.17-939,658.20-289,255.86

Finding the Fourth Proportional to 626,539.17, 939,658.20 and 289,255.86

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Solution

The fourth proportional to 626,539.17, 939,658.20 and 289,255.86 is: 433,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,539.17 : 939,658.20 = 289,255.86 : x
  2. Step 2: Convert to fraction form
    626,539.17/939,658.20 = 289,255.86/x
  3. Step 3: Cross multiply
    626,539.17x = 939,658.20 × 289,255.86
  4. Step 4: Simplify right side
    626,539.17x = 271,801,640,747.05
  5. Step 5: Solve for x
    x = 271,801,640,747.05/626,539.17
  6. Step 6: Final answer
    x = 433,814.28

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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.