Home / 497,950.76-687,181.38-271,604.36

Finding the Fourth Proportional to 497,950.76, 687,181.38 and 271,604.36

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Solution

The fourth proportional to 497,950.76, 687,181.38 and 271,604.36 is: 374,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,950.76 : 687,181.38 = 271,604.36 : x
  2. Step 2: Convert to fraction form
    497,950.76/687,181.38 = 271,604.36/x
  3. Step 3: Cross multiply
    497,950.76x = 687,181.38 × 271,604.36
  4. Step 4: Simplify right side
    497,950.76x = 186,641,458,918.82
  5. Step 5: Solve for x
    x = 186,641,458,918.82/497,950.76
  6. Step 6: Final answer
    x = 374,819.11

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1.5x scale

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.