Home / 807,845.94-1,114,777.08-445,272.66

Finding the Fourth Proportional to 807,845.94, 1,114,777.08 and 445,272.66

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Solution

The fourth proportional to 807,845.94, 1,114,777.08 and 445,272.66 is: 614,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,845.94 : 1,114,777.08 = 445,272.66 : x
  2. Step 2: Convert to fraction form
    807,845.94/1,114,777.08 = 445,272.66/x
  3. Step 3: Cross multiply
    807,845.94x = 1,114,777.08 × 445,272.66
  4. Step 4: Simplify right side
    807,845.94x = 496,379,755,718.63
  5. Step 5: Solve for x
    x = 496,379,755,718.63/807,845.94
  6. Step 6: Final answer
    x = 614,448.54

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1.5x scale

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.