Home / 762,313.57-1,141,945.69-458,540.04

Finding the Fourth Proportional to 762,313.57, 1,141,945.69 and 458,540.04

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Solution

The fourth proportional to 762,313.57, 1,141,945.69 and 458,540.04 is: 686,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,313.57 : 1,141,945.69 = 458,540.04 : x
  2. Step 2: Convert to fraction form
    762,313.57/1,141,945.69 = 458,540.04/x
  3. Step 3: Cross multiply
    762,313.57x = 1,141,945.69 × 458,540.04
  4. Step 4: Simplify right side
    762,313.57x = 523,627,821,662.22
  5. Step 5: Solve for x
    x = 523,627,821,662.22/762,313.57
  6. Step 6: Final answer
    x = 686,892.96

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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.