Home / 854,356.77-1,178,999.37-467,173.43

Finding the Fourth Proportional to 854,356.77, 1,178,999.37 and 467,173.43

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Solution

The fourth proportional to 854,356.77, 1,178,999.37 and 467,173.43 is: 644,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,356.77 : 1,178,999.37 = 467,173.43 : x
  2. Step 2: Convert to fraction form
    854,356.77/1,178,999.37 = 467,173.43/x
  3. Step 3: Cross multiply
    854,356.77x = 1,178,999.37 × 467,173.43
  4. Step 4: Simplify right side
    854,356.77x = 550,797,173,755.74
  5. Step 5: Solve for x
    x = 550,797,173,755.74/854,356.77
  6. Step 6: Final answer
    x = 644,692.23

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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.