Home / 755,791.72-1,043,426.34-501,487.72

Finding the Fourth Proportional to 755,791.72, 1,043,426.34 and 501,487.72

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Solution

The fourth proportional to 755,791.72, 1,043,426.34 and 501,487.72 is: 692,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,791.72 : 1,043,426.34 = 501,487.72 : x
  2. Step 2: Convert to fraction form
    755,791.72/1,043,426.34 = 501,487.72/x
  3. Step 3: Cross multiply
    755,791.72x = 1,043,426.34 × 501,487.72
  4. Step 4: Simplify right side
    755,791.72x = 523,265,496,234.55
  5. Step 5: Solve for x
    x = 523,265,496,234.55/755,791.72
  6. Step 6: Final answer
    x = 692,340.87

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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.