Home / 939,793.62-1,296,916.38-510,073.86

Finding the Fourth Proportional to 939,793.62, 1,296,916.38 and 510,073.86

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Solution

The fourth proportional to 939,793.62, 1,296,916.38 and 510,073.86 is: 703,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,793.62 : 1,296,916.38 = 510,073.86 : x
  2. Step 2: Convert to fraction form
    939,793.62/1,296,916.38 = 510,073.86/x
  3. Step 3: Cross multiply
    939,793.62x = 1,296,916.38 × 510,073.86
  4. Step 4: Simplify right side
    939,793.62x = 661,523,144,043.83
  5. Step 5: Solve for x
    x = 661,523,144,043.83/939,793.62
  6. Step 6: Final answer
    x = 703,902.57

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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.