Home / 939,592.72-1,296,641.48-509,872.94

Finding the Fourth Proportional to 939,592.72, 1,296,641.48 and 509,872.94

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Solution

The fourth proportional to 939,592.72, 1,296,641.48 and 509,872.94 is: 703,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,592.72 : 1,296,641.48 = 509,872.94 : x
  2. Step 2: Convert to fraction form
    939,592.72/1,296,641.48 = 509,872.94/x
  3. Step 3: Cross multiply
    939,592.72x = 1,296,641.48 × 509,872.94
  4. Step 4: Simplify right side
    939,592.72x = 661,122,394,500.98
  5. Step 5: Solve for x
    x = 661,122,394,500.98/939,592.72
  6. Step 6: Final answer
    x = 703,626.56

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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.