Home / 673,439.33-1,009,861.72-252,419.96

Finding the Fourth Proportional to 673,439.33, 1,009,861.72 and 252,419.96

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Solution

The fourth proportional to 673,439.33, 1,009,861.72 and 252,419.96 is: 378,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,439.33 : 1,009,861.72 = 252,419.96 : x
  2. Step 2: Convert to fraction form
    673,439.33/1,009,861.72 = 252,419.96/x
  3. Step 3: Cross multiply
    673,439.33x = 1,009,861.72 × 252,419.96
  4. Step 4: Simplify right side
    673,439.33x = 254,909,254,967.93
  5. Step 5: Solve for x
    x = 254,909,254,967.93/673,439.33
  6. Step 6: Final answer
    x = 378,518.51

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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.