Home / 515,850.20-773,775.30-294,666.20

Finding the Fourth Proportional to 515,850.20, 773,775.30 and 294,666.20

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Solution

The fourth proportional to 515,850.20, 773,775.30 and 294,666.20 is: 441,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,850.20 : 773,775.30 = 294,666.20 : x
  2. Step 2: Convert to fraction form
    515,850.20/773,775.30 = 294,666.20/x
  3. Step 3: Cross multiply
    515,850.20x = 773,775.30 × 294,666.20
  4. Step 4: Simplify right side
    515,850.20x = 228,005,427,304.86
  5. Step 5: Solve for x
    x = 228,005,427,304.86/515,850.20
  6. Step 6: Final answer
    x = 441,999.30

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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.