Home / 807,255.50-1,114,012.86-467,920.58

Finding the Fourth Proportional to 807,255.50, 1,114,012.86 and 467,920.58

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Solution

The fourth proportional to 807,255.50, 1,114,012.86 and 467,920.58 is: 645,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,255.50 : 1,114,012.86 = 467,920.58 : x
  2. Step 2: Convert to fraction form
    807,255.50/1,114,012.86 = 467,920.58/x
  3. Step 3: Cross multiply
    807,255.50x = 1,114,012.86 × 467,920.58
  4. Step 4: Simplify right side
    807,255.50x = 521,269,543,578.66
  5. Step 5: Solve for x
    x = 521,269,543,578.66/807,255.50
  6. Step 6: Final answer
    x = 645,730.56

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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.