Home / 685,093.63-1,025,593.01-414,402.57

Finding the Fourth Proportional to 685,093.63, 1,025,593.01 and 414,402.57

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Solution

The fourth proportional to 685,093.63, 1,025,593.01 and 414,402.57 is: 620,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,093.63 : 1,025,593.01 = 414,402.57 : x
  2. Step 2: Convert to fraction form
    685,093.63/1,025,593.01 = 414,402.57/x
  3. Step 3: Cross multiply
    685,093.63x = 1,025,593.01 × 414,402.57
  4. Step 4: Simplify right side
    685,093.63x = 425,008,378,998.82
  5. Step 5: Solve for x
    x = 425,008,378,998.82/685,093.63
  6. Step 6: Final answer
    x = 620,365.40

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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.