Home / 766,910.34-1,150,368.48-234,429.30

Finding the Fourth Proportional to 766,910.34, 1,150,368.48 and 234,429.30

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Solution

The fourth proportional to 766,910.34, 1,150,368.48 and 234,429.30 is: 351,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,910.34 : 1,150,368.48 = 234,429.30 : x
  2. Step 2: Convert to fraction form
    766,910.34/1,150,368.48 = 234,429.30/x
  3. Step 3: Cross multiply
    766,910.34x = 1,150,368.48 × 234,429.30
  4. Step 4: Simplify right side
    766,910.34x = 269,680,077,508.46
  5. Step 5: Solve for x
    x = 269,680,077,508.46/766,910.34
  6. Step 6: Final answer
    x = 351,644.86

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Double scale
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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.