Home / 587,917.36-811,334.78-329,851.36

Finding the Fourth Proportional to 587,917.36, 811,334.78 and 329,851.36

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Solution

The fourth proportional to 587,917.36, 811,334.78 and 329,851.36 is: 455,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,917.36 : 811,334.78 = 329,851.36 : x
  2. Step 2: Convert to fraction form
    587,917.36/811,334.78 = 329,851.36/x
  3. Step 3: Cross multiply
    587,917.36x = 811,334.78 × 329,851.36
  4. Step 4: Simplify right side
    587,917.36x = 267,619,883,482.03
  5. Step 5: Solve for x
    x = 267,619,883,482.03/587,917.36
  6. Step 6: Final answer
    x = 455,199.83

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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.