Home / 854,356.76-1,178,999.38-467,173.42

Finding the Fourth Proportional to 854,356.76, 1,178,999.38 and 467,173.42

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Solution

The fourth proportional to 854,356.76, 1,178,999.38 and 467,173.42 is: 644,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,356.76 : 1,178,999.38 = 467,173.42 : x
  2. Step 2: Convert to fraction form
    854,356.76/1,178,999.38 = 467,173.42/x
  3. Step 3: Cross multiply
    854,356.76x = 1,178,999.38 × 467,173.42
  4. Step 4: Simplify right side
    854,356.76x = 550,797,172,532.48
  5. Step 5: Solve for x
    x = 550,797,172,532.48/854,356.76
  6. Step 6: Final answer
    x = 644,692.24

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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.