Home / 493,038.36-739,557.54-197,757.72

Finding the Fourth Proportional to 493,038.36, 739,557.54 and 197,757.72

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Solution

The fourth proportional to 493,038.36, 739,557.54 and 197,757.72 is: 296,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,038.36 : 739,557.54 = 197,757.72 : x
  2. Step 2: Convert to fraction form
    493,038.36/739,557.54 = 197,757.72/x
  3. Step 3: Cross multiply
    493,038.36x = 739,557.54 × 197,757.72
  4. Step 4: Simplify right side
    493,038.36x = 146,253,212,919.21
  5. Step 5: Solve for x
    x = 146,253,212,919.21/493,038.36
  6. Step 6: Final answer
    x = 296,636.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.