Home / 469,027.44-647,260.20-275,565.42

Finding the Fourth Proportional to 469,027.44, 647,260.20 and 275,565.42

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Solution

The fourth proportional to 469,027.44, 647,260.20 and 275,565.42 is: 380,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,027.44 : 647,260.20 = 275,565.42 : x
  2. Step 2: Convert to fraction form
    469,027.44/647,260.20 = 275,565.42/x
  3. Step 3: Cross multiply
    469,027.44x = 647,260.20 × 275,565.42
  4. Step 4: Simplify right side
    469,027.44x = 178,362,528,862.28
  5. Step 5: Solve for x
    x = 178,362,528,862.28/469,027.44
  6. Step 6: Final answer
    x = 380,281.65

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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.