Home / 744,490.08-1,116,720.72-212,014.56

Finding the Fourth Proportional to 744,490.08, 1,116,720.72 and 212,014.56

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Solution

The fourth proportional to 744,490.08, 1,116,720.72 and 212,014.56 is: 318,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,490.08 : 1,116,720.72 = 212,014.56 : x
  2. Step 2: Convert to fraction form
    744,490.08/1,116,720.72 = 212,014.56/x
  3. Step 3: Cross multiply
    744,490.08x = 1,116,720.72 × 212,014.56
  4. Step 4: Simplify right side
    744,490.08x = 236,761,052,093.68
  5. Step 5: Solve for x
    x = 236,761,052,093.68/744,490.08
  6. Step 6: Final answer
    x = 318,017.74

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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.