Home / 697,912.34-1,042,140.82-554,144.43

Finding the Fourth Proportional to 697,912.34, 1,042,140.82 and 554,144.43

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Solution

The fourth proportional to 697,912.34, 1,042,140.82 and 554,144.43 is: 827,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,912.34 : 1,042,140.82 = 554,144.43 : x
  2. Step 2: Convert to fraction form
    697,912.34/1,042,140.82 = 554,144.43/x
  3. Step 3: Cross multiply
    697,912.34x = 1,042,140.82 × 554,144.43
  4. Step 4: Simplify right side
    697,912.34x = 577,496,527,907.91
  5. Step 5: Solve for x
    x = 577,496,527,907.91/697,912.34
  6. Step 6: Final answer
    x = 827,462.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.