Home / 469,867.05-648,416.98-255,007.17

Finding the Fourth Proportional to 469,867.05, 648,416.98 and 255,007.17

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Solution

The fourth proportional to 469,867.05, 648,416.98 and 255,007.17 is: 351,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,867.05 : 648,416.98 = 255,007.17 : x
  2. Step 2: Convert to fraction form
    469,867.05/648,416.98 = 255,007.17/x
  3. Step 3: Cross multiply
    469,867.05x = 648,416.98 × 255,007.17
  4. Step 4: Simplify right side
    469,867.05x = 165,350,979,049.75
  5. Step 5: Solve for x
    x = 165,350,979,049.75/469,867.05
  6. Step 6: Final answer
    x = 351,910.14

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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.