Home / 451,519.22-677,278.14-249,105.53

Finding the Fourth Proportional to 451,519.22, 677,278.14 and 249,105.53

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Solution

The fourth proportional to 451,519.22, 677,278.14 and 249,105.53 is: 373,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,519.22 : 677,278.14 = 249,105.53 : x
  2. Step 2: Convert to fraction form
    451,519.22/677,278.14 = 249,105.53/x
  3. Step 3: Cross multiply
    451,519.22x = 677,278.14 × 249,105.53
  4. Step 4: Simplify right side
    451,519.22x = 168,713,730,022.11
  5. Step 5: Solve for x
    x = 168,713,730,022.11/451,519.22
  6. Step 6: Final answer
    x = 373,657.91

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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.