Home / 409,328.08-614,057.74-172,705.61

Finding the Fourth Proportional to 409,328.08, 614,057.74 and 172,705.61

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Solution

The fourth proportional to 409,328.08, 614,057.74 and 172,705.61 is: 259,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,328.08 : 614,057.74 = 172,705.61 : x
  2. Step 2: Convert to fraction form
    409,328.08/614,057.74 = 172,705.61/x
  3. Step 3: Cross multiply
    409,328.08x = 614,057.74 × 172,705.61
  4. Step 4: Simplify right side
    409,328.08x = 106,051,217,665.30
  5. Step 5: Solve for x
    x = 106,051,217,665.30/409,328.08
  6. Step 6: Final answer
    x = 259,086.11

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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.