Home / 457,930.37-683,560.08-424,161.57

Finding the Fourth Proportional to 457,930.37, 683,560.08 and 424,161.57

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Solution

The fourth proportional to 457,930.37, 683,560.08 and 424,161.57 is: 633,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,930.37 : 683,560.08 = 424,161.57 : x
  2. Step 2: Convert to fraction form
    457,930.37/683,560.08 = 424,161.57/x
  3. Step 3: Cross multiply
    457,930.37x = 683,560.08 × 424,161.57
  4. Step 4: Simplify right side
    457,930.37x = 289,939,915,749.38
  5. Step 5: Solve for x
    x = 289,939,915,749.38/457,930.37
  6. Step 6: Final answer
    x = 633,152.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.