Home / 619,133.54-854,414.07-347,261.90

Finding the Fourth Proportional to 619,133.54, 854,414.07 and 347,261.90

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Solution

The fourth proportional to 619,133.54, 854,414.07 and 347,261.90 is: 479,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,133.54 : 854,414.07 = 347,261.90 : x
  2. Step 2: Convert to fraction form
    619,133.54/854,414.07 = 347,261.90/x
  3. Step 3: Cross multiply
    619,133.54x = 854,414.07 × 347,261.90
  4. Step 4: Simplify right side
    619,133.54x = 296,705,453,334.93
  5. Step 5: Solve for x
    x = 296,705,453,334.93/619,133.54
  6. Step 6: Final answer
    x = 479,226.91

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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.