Home / 465,394.82-642,247.18-261,454.37

Finding the Fourth Proportional to 465,394.82, 642,247.18 and 261,454.37

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Solution

The fourth proportional to 465,394.82, 642,247.18 and 261,454.37 is: 360,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,394.82 : 642,247.18 = 261,454.37 : x
  2. Step 2: Convert to fraction form
    465,394.82/642,247.18 = 261,454.37/x
  3. Step 3: Cross multiply
    465,394.82x = 642,247.18 × 261,454.37
  4. Step 4: Simplify right side
    465,394.82x = 167,918,327,966.31
  5. Step 5: Solve for x
    x = 167,918,327,966.31/465,394.82
  6. Step 6: Final answer
    x = 360,808.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.