Home / 497,764.92-686,916.27-271,410.42

Finding the Fourth Proportional to 497,764.92, 686,916.27 and 271,410.42

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Solution

The fourth proportional to 497,764.92, 686,916.27 and 271,410.42 is: 374,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,764.92 : 686,916.27 = 271,410.42 : x
  2. Step 2: Convert to fraction form
    497,764.92/686,916.27 = 271,410.42/x
  3. Step 3: Cross multiply
    497,764.92x = 686,916.27 × 271,410.42
  4. Step 4: Simplify right side
    497,764.92x = 186,436,233,345.53
  5. Step 5: Solve for x
    x = 186,436,233,345.53/497,764.92
  6. Step 6: Final answer
    x = 374,546.75

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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.