Home / 744,586.08-1,116,864.72-212,110.56

Finding the Fourth Proportional to 744,586.08, 1,116,864.72 and 212,110.56

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Solution

The fourth proportional to 744,586.08, 1,116,864.72 and 212,110.56 is: 318,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,586.08 : 1,116,864.72 = 212,110.56 : x
  2. Step 2: Convert to fraction form
    744,586.08/1,116,864.72 = 212,110.56/x
  3. Step 3: Cross multiply
    744,586.08x = 1,116,864.72 × 212,110.56
  4. Step 4: Simplify right side
    744,586.08x = 236,898,801,203.44
  5. Step 5: Solve for x
    x = 236,898,801,203.44/744,586.08
  6. Step 6: Final answer
    x = 318,161.74

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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.