Home / 497,897.04-687,090.42-271,542.54

Finding the Fourth Proportional to 497,897.04, 687,090.42 and 271,542.54

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Solution

The fourth proportional to 497,897.04, 687,090.42 and 271,542.54 is: 374,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,897.04 : 687,090.42 = 271,542.54 : x
  2. Step 2: Convert to fraction form
    497,897.04/687,090.42 = 271,542.54/x
  3. Step 3: Cross multiply
    497,897.04x = 687,090.42 × 271,542.54
  4. Step 4: Simplify right side
    497,897.04x = 186,574,277,856.47
  5. Step 5: Solve for x
    x = 186,574,277,856.47/497,897.04
  6. Step 6: Final answer
    x = 374,724.62

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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.