Home / 575,983.44-863,887.68-221,164.56

Finding the Fourth Proportional to 575,983.44, 863,887.68 and 221,164.56

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Solution

The fourth proportional to 575,983.44, 863,887.68 and 221,164.56 is: 331,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,983.44 : 863,887.68 = 221,164.56 : x
  2. Step 2: Convert to fraction form
    575,983.44/863,887.68 = 221,164.56/x
  3. Step 3: Cross multiply
    575,983.44x = 863,887.68 × 221,164.56
  4. Step 4: Simplify right side
    575,983.44x = 191,061,338,636.62
  5. Step 5: Solve for x
    x = 191,061,338,636.62/575,983.44
  6. Step 6: Final answer
    x = 331,713.25

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1.5x scale

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.