Home / 540,976.60-811,464.90-166,999.60

Finding the Fourth Proportional to 540,976.60, 811,464.90 and 166,999.60

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Solution

The fourth proportional to 540,976.60, 811,464.90 and 166,999.60 is: 250,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,976.60 : 811,464.90 = 166,999.60 : x
  2. Step 2: Convert to fraction form
    540,976.60/811,464.90 = 166,999.60/x
  3. Step 3: Cross multiply
    540,976.60x = 811,464.90 × 166,999.60
  4. Step 4: Simplify right side
    540,976.60x = 135,514,313,714.04
  5. Step 5: Solve for x
    x = 135,514,313,714.04/540,976.60
  6. Step 6: Final answer
    x = 250,499.40

Related Problems

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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.