Home / 464,572.77-641,385.26-292,638.12

Finding the Fourth Proportional to 464,572.77, 641,385.26 and 292,638.12

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Solution

The fourth proportional to 464,572.77, 641,385.26 and 292,638.12 is: 404,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,572.77 : 641,385.26 = 292,638.12 : x
  2. Step 2: Convert to fraction form
    464,572.77/641,385.26 = 292,638.12/x
  3. Step 3: Cross multiply
    464,572.77x = 641,385.26 × 292,638.12
  4. Step 4: Simplify right side
    464,572.77x = 187,693,776,682.11
  5. Step 5: Solve for x
    x = 187,693,776,682.11/464,572.77
  6. Step 6: Final answer
    x = 404,013.73

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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.