Home / 1,256,818.78-1,734,446.82-683,895.86

Finding the Fourth Proportional to 1,256,818.78, 1,734,446.82 and 683,895.86

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Solution

The fourth proportional to 1,256,818.78, 1,734,446.82 and 683,895.86 is: 943,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,818.78 : 1,734,446.82 = 683,895.86 : x
  2. Step 2: Convert to fraction form
    1,256,818.78/1,734,446.82 = 683,895.86/x
  3. Step 3: Cross multiply
    1,256,818.78x = 1,734,446.82 × 683,895.86
  4. Step 4: Simplify right side
    1,256,818.78x = 1,186,180,999,984.72
  5. Step 5: Solve for x
    x = 1,186,180,999,984.72/1,256,818.78
  6. Step 6: Final answer
    x = 943,796.37

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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.