Home / 766,144.70-1,149,283.15-197,520.98

Finding the Fourth Proportional to 766,144.70, 1,149,283.15 and 197,520.98

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Solution

The fourth proportional to 766,144.70, 1,149,283.15 and 197,520.98 is: 296,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,144.70 : 1,149,283.15 = 197,520.98 : x
  2. Step 2: Convert to fraction form
    766,144.70/1,149,283.15 = 197,520.98/x
  3. Step 3: Cross multiply
    766,144.70x = 1,149,283.15 × 197,520.98
  4. Step 4: Simplify right side
    766,144.70x = 227,007,527,845.27
  5. Step 5: Solve for x
    x = 227,007,527,845.27/766,144.70
  6. Step 6: Final answer
    x = 296,298.50

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Half scale
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Double scale
Find fourth proportional to 766,145.70, 1,149,284.65 and 197,521.98
Similar ratio
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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.