Home / 611,134.56-916,764.48-211,775.04

Finding the Fourth Proportional to 611,134.56, 916,764.48 and 211,775.04

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Solution

The fourth proportional to 611,134.56, 916,764.48 and 211,775.04 is: 317,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,134.56 : 916,764.48 = 211,775.04 : x
  2. Step 2: Convert to fraction form
    611,134.56/916,764.48 = 211,775.04/x
  3. Step 3: Cross multiply
    611,134.56x = 916,764.48 × 211,775.04
  4. Step 4: Simplify right side
    611,134.56x = 194,147,834,422.58
  5. Step 5: Solve for x
    x = 194,147,834,422.58/611,134.56
  6. Step 6: Final answer
    x = 317,684.27

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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.