Home / 324,184.34-447,611.46-209,530.88

Finding the Fourth Proportional to 324,184.34, 447,611.46 and 209,530.88

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Solution

The fourth proportional to 324,184.34, 447,611.46 and 209,530.88 is: 289,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,184.34 : 447,611.46 = 209,530.88 : x
  2. Step 2: Convert to fraction form
    324,184.34/447,611.46 = 209,530.88/x
  3. Step 3: Cross multiply
    324,184.34x = 447,611.46 × 209,530.88
  4. Step 4: Simplify right side
    324,184.34x = 93,788,423,111.88
  5. Step 5: Solve for x
    x = 93,788,423,111.88/324,184.34
  6. Step 6: Final answer
    x = 289,305.84

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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.