Home / 571,616.63-788,774.11-329,977.03

Finding the Fourth Proportional to 571,616.63, 788,774.11 and 329,977.03

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Solution

The fourth proportional to 571,616.63, 788,774.11 and 329,977.03 is: 455,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,616.63 : 788,774.11 = 329,977.03 : x
  2. Step 2: Convert to fraction form
    571,616.63/788,774.11 = 329,977.03/x
  3. Step 3: Cross multiply
    571,616.63x = 788,774.11 × 329,977.03
  4. Step 4: Simplify right side
    571,616.63x = 260,277,332,564.94
  5. Step 5: Solve for x
    x = 260,277,332,564.94/571,616.63
  6. Step 6: Final answer
    x = 455,335.48

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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.