Home / 529,964.96-731,351.12-303,611.36

Finding the Fourth Proportional to 529,964.96, 731,351.12 and 303,611.36

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Solution

The fourth proportional to 529,964.96, 731,351.12 and 303,611.36 is: 418,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,964.96 : 731,351.12 = 303,611.36 : x
  2. Step 2: Convert to fraction form
    529,964.96/731,351.12 = 303,611.36/x
  3. Step 3: Cross multiply
    529,964.96x = 731,351.12 × 303,611.36
  4. Step 4: Simplify right side
    529,964.96x = 222,046,508,180.72
  5. Step 5: Solve for x
    x = 222,046,508,180.72/529,964.96
  6. Step 6: Final answer
    x = 418,983.38

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Double scale
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1.5x scale

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.