Home / 1,184,805.86-1,635,027.11-640,940.29

Finding the Fourth Proportional to 1,184,805.86, 1,635,027.11 and 640,940.29

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Solution

The fourth proportional to 1,184,805.86, 1,635,027.11 and 640,940.29 is: 884,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,805.86 : 1,635,027.11 = 640,940.29 : x
  2. Step 2: Convert to fraction form
    1,184,805.86/1,635,027.11 = 640,940.29/x
  3. Step 3: Cross multiply
    1,184,805.86x = 1,635,027.11 × 640,940.29
  4. Step 4: Simplify right side
    1,184,805.86x = 1,047,954,750,041.26
  5. Step 5: Solve for x
    x = 1,047,954,750,041.26/1,184,805.86
  6. Step 6: Final answer
    x = 884,494.91

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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.