Home / 1,242,173.64-1,863,654.12-443,437.50

Finding the Fourth Proportional to 1,242,173.64, 1,863,654.12 and 443,437.50

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Solution

The fourth proportional to 1,242,173.64, 1,863,654.12 and 443,437.50 is: 665,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,173.64 : 1,863,654.12 = 443,437.50 : x
  2. Step 2: Convert to fraction form
    1,242,173.64/1,863,654.12 = 443,437.50/x
  3. Step 3: Cross multiply
    1,242,173.64x = 1,863,654.12 × 443,437.50
  4. Step 4: Simplify right side
    1,242,173.64x = 826,414,123,837.50
  5. Step 5: Solve for x
    x = 826,414,123,837.50/1,242,173.64
  6. Step 6: Final answer
    x = 665,296.78

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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.