Home / 419,255.90-578,560.50-232,986.73

Finding the Fourth Proportional to 419,255.90, 578,560.50 and 232,986.73

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Solution

The fourth proportional to 419,255.90, 578,560.50 and 232,986.73 is: 321,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,255.90 : 578,560.50 = 232,986.73 : x
  2. Step 2: Convert to fraction form
    419,255.90/578,560.50 = 232,986.73/x
  3. Step 3: Cross multiply
    419,255.90x = 578,560.50 × 232,986.73
  4. Step 4: Simplify right side
    419,255.90x = 134,796,917,555.76
  5. Step 5: Solve for x
    x = 134,796,917,555.76/419,255.90
  6. Step 6: Final answer
    x = 321,514.66

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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.