Home / 1,184,403.78-1,634,472.54-640,540.26

Finding the Fourth Proportional to 1,184,403.78, 1,634,472.54 and 640,540.26

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Solution

The fourth proportional to 1,184,403.78, 1,634,472.54 and 640,540.26 is: 883,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,403.78 : 1,634,472.54 = 640,540.26 : x
  2. Step 2: Convert to fraction form
    1,184,403.78/1,634,472.54 = 640,540.26/x
  3. Step 3: Cross multiply
    1,184,403.78x = 1,634,472.54 × 640,540.26
  4. Step 4: Simplify right side
    1,184,403.78x = 1,046,945,465,734.46
  5. Step 5: Solve for x
    x = 1,046,945,465,734.46/1,184,403.78
  6. Step 6: Final answer
    x = 883,943.03

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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.