Home / 377,829.52-521,397.23-205,749.52

Finding the Fourth Proportional to 377,829.52, 521,397.23 and 205,749.52

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Solution

The fourth proportional to 377,829.52, 521,397.23 and 205,749.52 is: 283,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,829.52 : 521,397.23 = 205,749.52 : x
  2. Step 2: Convert to fraction form
    377,829.52/521,397.23 = 205,749.52/x
  3. Step 3: Cross multiply
    377,829.52x = 521,397.23 × 205,749.52
  4. Step 4: Simplify right side
    377,829.52x = 107,277,229,801.83
  5. Step 5: Solve for x
    x = 107,277,229,801.83/377,829.52
  6. Step 6: Final answer
    x = 283,930.25

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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.