Home / 475,985.60-713,540.88-205,945.04

Finding the Fourth Proportional to 475,985.60, 713,540.88 and 205,945.04

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Solution

The fourth proportional to 475,985.60, 713,540.88 and 205,945.04 is: 308,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,985.60 : 713,540.88 = 205,945.04 : x
  2. Step 2: Convert to fraction form
    475,985.60/713,540.88 = 205,945.04/x
  3. Step 3: Cross multiply
    475,985.60x = 713,540.88 × 205,945.04
  4. Step 4: Simplify right side
    475,985.60x = 146,950,205,073.24
  5. Step 5: Solve for x
    x = 146,950,205,073.24/475,985.60
  6. Step 6: Final answer
    x = 308,728.26

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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.