Home / 405,044.91-558,966.33-223,761.69

Finding the Fourth Proportional to 405,044.91, 558,966.33 and 223,761.69

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Solution

The fourth proportional to 405,044.91, 558,966.33 and 223,761.69 is: 308,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,044.91 : 558,966.33 = 223,761.69 : x
  2. Step 2: Convert to fraction form
    405,044.91/558,966.33 = 223,761.69/x
  3. Step 3: Cross multiply
    405,044.91x = 558,966.33 × 223,761.69
  4. Step 4: Simplify right side
    405,044.91x = 125,075,250,653.90
  5. Step 5: Solve for x
    x = 125,075,250,653.90/405,044.91
  6. Step 6: Final answer
    x = 308,793.54

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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.