Home / 379,551.12-523,771.43-207,461.36

Finding the Fourth Proportional to 379,551.12, 523,771.43 and 207,461.36

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Solution

The fourth proportional to 379,551.12, 523,771.43 and 207,461.36 is: 286,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,551.12 : 523,771.43 = 207,461.36 : x
  2. Step 2: Convert to fraction form
    379,551.12/523,771.43 = 207,461.36/x
  3. Step 3: Cross multiply
    379,551.12x = 523,771.43 × 207,461.36
  4. Step 4: Simplify right side
    379,551.12x = 108,662,329,540.78
  5. Step 5: Solve for x
    x = 108,662,329,540.78/379,551.12
  6. Step 6: Final answer
    x = 286,291.68

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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.