Home / 619,234.08-854,552.80-347,362.40

Finding the Fourth Proportional to 619,234.08, 854,552.80 and 347,362.40

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Solution

The fourth proportional to 619,234.08, 854,552.80 and 347,362.40 is: 479,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,234.08 : 854,552.80 = 347,362.40 : x
  2. Step 2: Convert to fraction form
    619,234.08/854,552.80 = 347,362.40/x
  3. Step 3: Cross multiply
    619,234.08x = 854,552.80 × 347,362.40
  4. Step 4: Simplify right side
    619,234.08x = 296,839,511,534.72
  5. Step 5: Solve for x
    x = 296,839,511,534.72/619,234.08
  6. Step 6: Final answer
    x = 479,365.59

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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.