Home / 692,433.92-1,032,541.78-667,764.56

Finding the Fourth Proportional to 692,433.92, 1,032,541.78 and 667,764.56

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Solution

The fourth proportional to 692,433.92, 1,032,541.78 and 667,764.56 is: 995,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,433.92 : 1,032,541.78 = 667,764.56 : x
  2. Step 2: Convert to fraction form
    692,433.92/1,032,541.78 = 667,764.56/x
  3. Step 3: Cross multiply
    692,433.92x = 1,032,541.78 × 667,764.56
  4. Step 4: Simplify right side
    692,433.92x = 689,494,807,403.32
  5. Step 5: Solve for x
    x = 689,494,807,403.32/692,433.92
  6. Step 6: Final answer
    x = 995,755.39

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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.