Home / 1,184,789.43-1,635,002.01-640,923.03

Finding the Fourth Proportional to 1,184,789.43, 1,635,002.01 and 640,923.03

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Solution

The fourth proportional to 1,184,789.43, 1,635,002.01 and 640,923.03 is: 884,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,789.43 : 1,635,002.01 = 640,923.03 : x
  2. Step 2: Convert to fraction form
    1,184,789.43/1,635,002.01 = 640,923.03/x
  3. Step 3: Cross multiply
    1,184,789.43x = 1,635,002.01 × 640,923.03
  4. Step 4: Simplify right side
    1,184,789.43x = 1,047,910,442,305.29
  5. Step 5: Solve for x
    x = 1,047,910,442,305.29/1,184,789.43
  6. Step 6: Final answer
    x = 884,469.78

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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.