Home / 827,865.68-1,142,464.94-501,174.36

Finding the Fourth Proportional to 827,865.68, 1,142,464.94 and 501,174.36

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Solution

The fourth proportional to 827,865.68, 1,142,464.94 and 501,174.36 is: 691,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,865.68 : 1,142,464.94 = 501,174.36 : x
  2. Step 2: Convert to fraction form
    827,865.68/1,142,464.94 = 501,174.36/x
  3. Step 3: Cross multiply
    827,865.68x = 1,142,464.94 × 501,174.36
  4. Step 4: Simplify right side
    827,865.68x = 572,574,135,126.94
  5. Step 5: Solve for x
    x = 572,574,135,126.94/827,865.68
  6. Step 6: Final answer
    x = 691,626.85

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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.