Home / 1,108,449.52-1,529,769.90-672,832.42

Finding the Fourth Proportional to 1,108,449.52, 1,529,769.90 and 672,832.42

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Solution

The fourth proportional to 1,108,449.52, 1,529,769.90 and 672,832.42 is: 928,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,449.52 : 1,529,769.90 = 672,832.42 : x
  2. Step 2: Convert to fraction form
    1,108,449.52/1,529,769.90 = 672,832.42/x
  3. Step 3: Cross multiply
    1,108,449.52x = 1,529,769.90 × 672,832.42
  4. Step 4: Simplify right side
    1,108,449.52x = 1,029,278,783,860.16
  5. Step 5: Solve for x
    x = 1,029,278,783,860.16/1,108,449.52
  6. Step 6: Final answer
    x = 928,575.24

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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.