Home / 766,166.31-1,149,249.45-361,264.27

Finding the Fourth Proportional to 766,166.31, 1,149,249.45 and 361,264.27

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Solution

The fourth proportional to 766,166.31, 1,149,249.45 and 361,264.27 is: 541,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,166.31 : 1,149,249.45 = 361,264.27 : x
  2. Step 2: Convert to fraction form
    766,166.31/1,149,249.45 = 361,264.27/x
  3. Step 3: Cross multiply
    766,166.31x = 1,149,249.45 × 361,264.27
  4. Step 4: Simplify right side
    766,166.31x = 415,182,763,602.15
  5. Step 5: Solve for x
    x = 415,182,763,602.15/766,166.31
  6. Step 6: Final answer
    x = 541,896.40

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Half scale
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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.