Home / 671,702.78-1,007,709.83-191,936.83

Finding the Fourth Proportional to 671,702.78, 1,007,709.83 and 191,936.83

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Solution

The fourth proportional to 671,702.78, 1,007,709.83 and 191,936.83 is: 287,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,702.78 : 1,007,709.83 = 191,936.83 : x
  2. Step 2: Convert to fraction form
    671,702.78/1,007,709.83 = 191,936.83/x
  3. Step 3: Cross multiply
    671,702.78x = 1,007,709.83 × 191,936.83
  4. Step 4: Simplify right side
    671,702.78x = 193,416,630,330.04
  5. Step 5: Solve for x
    x = 193,416,630,330.04/671,702.78
  6. Step 6: Final answer
    x = 287,949.72

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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.