Home / 488,017.38-673,445.66-270,221.56

Finding the Fourth Proportional to 488,017.38, 673,445.66 and 270,221.56

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Solution

The fourth proportional to 488,017.38, 673,445.66 and 270,221.56 is: 372,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,017.38 : 673,445.66 = 270,221.56 : x
  2. Step 2: Convert to fraction form
    488,017.38/673,445.66 = 270,221.56/x
  3. Step 3: Cross multiply
    488,017.38x = 673,445.66 × 270,221.56
  4. Step 4: Simplify right side
    488,017.38x = 181,979,536,820.43
  5. Step 5: Solve for x
    x = 181,979,536,820.43/488,017.38
  6. Step 6: Final answer
    x = 372,895.61

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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.