Home / 672,771.27-1,009,323-199,456.61

Finding the Fourth Proportional to 672,771.27, 1,009,323 and 199,456.61

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Solution

The fourth proportional to 672,771.27, 1,009,323 and 199,456.61 is: 299,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,771.27 : 1,009,323 = 199,456.61 : x
  2. Step 2: Convert to fraction form
    672,771.27/1,009,323 = 199,456.61/x
  3. Step 3: Cross multiply
    672,771.27x = 1,009,323 × 199,456.61
  4. Step 4: Simplify right side
    672,771.27x = 201,316,138,928.42
  5. Step 5: Solve for x
    x = 201,316,138,928.42/672,771.27
  6. Step 6: Final answer
    x = 299,234.15

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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.