Home / 529,845.78-731,206.37-303,535.02

Finding the Fourth Proportional to 529,845.78, 731,206.37 and 303,535.02

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Solution

The fourth proportional to 529,845.78, 731,206.37 and 303,535.02 is: 418,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,845.78 : 731,206.37 = 303,535.02 : x
  2. Step 2: Convert to fraction form
    529,845.78/731,206.37 = 303,535.02/x
  3. Step 3: Cross multiply
    529,845.78x = 731,206.37 × 303,535.02
  4. Step 4: Simplify right side
    529,845.78x = 221,946,738,624.40
  5. Step 5: Solve for x
    x = 221,946,738,624.40/529,845.78
  6. Step 6: Final answer
    x = 418,889.32

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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.