Home / 496,810.40-685,688.09-292,849.56

Finding the Fourth Proportional to 496,810.40, 685,688.09 and 292,849.56

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Solution

The fourth proportional to 496,810.40, 685,688.09 and 292,849.56 is: 404,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,810.40 : 685,688.09 = 292,849.56 : x
  2. Step 2: Convert to fraction form
    496,810.40/685,688.09 = 292,849.56/x
  3. Step 3: Cross multiply
    496,810.40x = 685,688.09 × 292,849.56
  4. Step 4: Simplify right side
    496,810.40x = 200,803,453,989.49
  5. Step 5: Solve for x
    x = 200,803,453,989.49/496,810.40
  6. Step 6: Final answer
    x = 404,185.29

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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.