Home / 409,299.24-614,032.14-172,642.76

Finding the Fourth Proportional to 409,299.24, 614,032.14 and 172,642.76

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Solution

The fourth proportional to 409,299.24, 614,032.14 and 172,642.76 is: 258,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,299.24 : 614,032.14 = 172,642.76 : x
  2. Step 2: Convert to fraction form
    409,299.24/614,032.14 = 172,642.76/x
  3. Step 3: Cross multiply
    409,299.24x = 614,032.14 × 172,642.76
  4. Step 4: Simplify right side
    409,299.24x = 106,008,203,378.31
  5. Step 5: Solve for x
    x = 106,008,203,378.31/409,299.24
  6. Step 6: Final answer
    x = 258,999.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.