Home / 731,974.42-1,009,894.44-409,633.30

Finding the Fourth Proportional to 731,974.42, 1,009,894.44 and 409,633.30

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Solution

The fourth proportional to 731,974.42, 1,009,894.44 and 409,633.30 is: 565,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,974.42 : 1,009,894.44 = 409,633.30 : x
  2. Step 2: Convert to fraction form
    731,974.42/1,009,894.44 = 409,633.30/x
  3. Step 3: Cross multiply
    731,974.42x = 1,009,894.44 × 409,633.30
  4. Step 4: Simplify right side
    731,974.42x = 413,686,392,108.85
  5. Step 5: Solve for x
    x = 413,686,392,108.85/731,974.42
  6. Step 6: Final answer
    x = 565,165.09

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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.