Home / 497,947.76-687,177.24-271,601.36

Finding the Fourth Proportional to 497,947.76, 687,177.24 and 271,601.36

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Solution

The fourth proportional to 497,947.76, 687,177.24 and 271,601.36 is: 374,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,947.76 : 687,177.24 = 271,601.36 : x
  2. Step 2: Convert to fraction form
    497,947.76/687,177.24 = 271,601.36/x
  3. Step 3: Cross multiply
    497,947.76x = 687,177.24 × 271,601.36
  4. Step 4: Simplify right side
    497,947.76x = 186,638,272,945.05
  5. Step 5: Solve for x
    x = 186,638,272,945.05/497,947.76
  6. Step 6: Final answer
    x = 374,814.97

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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.