Home / 540,918.20-811,454.10-166,902.20

Finding the Fourth Proportional to 540,918.20, 811,454.10 and 166,902.20

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Solution

The fourth proportional to 540,918.20, 811,454.10 and 166,902.20 is: 250,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,918.20 : 811,454.10 = 166,902.20 : x
  2. Step 2: Convert to fraction form
    540,918.20/811,454.10 = 166,902.20/x
  3. Step 3: Cross multiply
    540,918.20x = 811,454.10 × 166,902.20
  4. Step 4: Simplify right side
    540,918.20x = 135,433,474,489.02
  5. Step 5: Solve for x
    x = 135,433,474,489.02/540,918.20
  6. Step 6: Final answer
    x = 250,377.00

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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.